P4.2· 193 questions · 193 marks · 232 min · 2005–2025· Multiple choice
Every Cambridge IGCSE Science - Combined Paper 1 question on electrical circuits, laid out as 77 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.


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77 / 77Answers below. Sit the paper first if you are practising.
Pastlit
Science - Combined 0653 · Electrical circuits — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
Pastlit
Science - Combined 0653 · Electrical circuits — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
Pastlit
Science - Combined 0653 · Electrical circuits — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
Pastlit
Science - Combined 0653 · Electrical circuits — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | A | 1 | 0653/11 Oct/Nov 2005 |
| 2 | A | 1 | 0653/11 Oct/Nov 2005 |
| 3 | C | 1 | 0653/11 May/June 2006 |
| 4 | D | 1 | 0653/11 Oct/Nov 2006 |
| 5 | D | 1 | 0653/11 Oct/Nov 2006 |
| 6 | A | 1 | 0653/11 Oct/Nov 2006 |
| 7 | B | 1 | 0653/11 May/June 2007 |
| 8 | D | 1 | 0653/11 May/June 2007 |
| 9 | B | 1 | 0653/11 Oct/Nov 2007 |
| 10 | C | 1 | 0653/11 Oct/Nov 2007 |
| 11 | B | 1 | 0653/11 May/June 2008 |
| 12 | A | 1 | 0653/11 May/June 2008 |
| 13 | C | 1 | 0653/11 Oct/Nov 2008 |
| 14 | B | 1 | 0653/11 Oct/Nov 2008 |
| 15 | A | 1 | 0653/11 May/June 2009 |
| 16 | B | 1 | 0653/11 May/June 2009 |
| 17 | C | 1 | 0653/11 May/June 2009 |
| 18 | D | 1 | 0653/11 May/June 2009 |
| 19 | B | 1 | 0653/11 May/June 2010 |
| 20 | B | 1 | 0653/12 May/June 2010 |
| 21 | D | 1 | 0653/12 May/June 2010 |
| 22 | B | 1 | 0653/13 May/June 2010 |
| 23 | C | 1 | 0653/11 Oct/Nov 2010 |
| 24 | A | 1 | 0653/11 Oct/Nov 2010 |
| 25 | B | 1 | 0653/11 Oct/Nov 2010 |
| 26 | A | 1 | 0653/12 Oct/Nov 2010 |
| 27 | B | 1 | 0653/12 Oct/Nov 2010 |
| 28 | C | 1 | 0653/12 Oct/Nov 2010 |
| 29 | A | 1 | 0653/13 Oct/Nov 2010 |
| 30 | C | 1 | 0653/13 Oct/Nov 2010 |
| 31 | B | 1 | 0653/13 Oct/Nov 2010 |
| 32 | D | 1 | 0653/11 May/June 2011 |
| 33 | B | 1 | 0653/11 May/June 2011 |
| 34 | B | 1 | 0653/11 May/June 2011 |
| 35 | C | 1 | 0653/12 May/June 2011 |
| 36 | B | 1 | 0653/12 May/June 2011 |
| 37 | D | 1 | 0653/12 May/June 2011 |
| 38 | B | 1 | 0653/12 May/June 2011 |
| 39 | D | 1 | 0653/11 Oct/Nov 2011 |
| 40 | D | 1 | 0653/12 Oct/Nov 2011 |
| 41 | D | 1 | 0653/13 Oct/Nov 2011 |
| 42 | see sheet | 1 | 0653/11 May/June 2012 |
| 43 | see sheet | 1 | 0653/11 May/June 2012 |
| 44 | B | 1 | 0653/12 May/June 2012 |
| 45 | A | 1 | 0653/12 May/June 2012 |
| 46 | B | 1 | 0653/13 May/June 2012 |
| 47 | A | 1 | 0653/13 May/June 2012 |
| 48 | A | 1 | 0653/12 May/June 2013 |
| 49 | D | 1 | 0653/12 May/June 2013 |
| 50 | B | 1 | 0653/13 May/June 2013 |
| 51 | B | 1 | 0653/13 May/June 2013 |
| 52 | C | 1 | 0653/11 Oct/Nov 2013 |
| 53 | B | 1 | 0653/11 Oct/Nov 2013 |
| 54 | B | 1 | 0653/12 Oct/Nov 2013 |
| 55 | D | 1 | 0653/13 Oct/Nov 2013 |
| 56 | A | 1 | 0653/13 Oct/Nov 2013 |
| 57 | A | 1 | 0653/11 May/June 2014 |
| 58 | C | 1 | 0653/11 May/June 2014 |
| 59 | B | 1 | 0653/12 May/June 2014 |
| 60 | C | 1 | 0653/12 May/June 2014 |
| 61 | C | 1 | 0653/13 May/June 2014 |
| 62 | A | 1 | 0653/13 May/June 2014 |
| 63 | A | 1 | 0653/11 Oct/Nov 2014 |
| 64 | A | 1 | 0653/12 Oct/Nov 2014 |
| 65 | D | 1 | 0653/13 Oct/Nov 2014 |
| 66 | B | 1 | 0653/13 Oct/Nov 2014 |
| 67 | D | 1 | 0653/13 Oct/Nov 2014 |
| 68 | A | 1 | 0653/11 May/June 2015 |
| 69 | B | 1 | 0653/11 May/June 2015 |
| 70 | D | 1 | 0653/12 May/June 2015 |
| 71 | A | 1 | 0653/12 May/June 2015 |
| 72 | D | 1 | 0653/13 May/June 2015 |
| 73 | B | 1 | 0653/13 May/June 2015 |
| 74 | C | 1 | 0653/13 May/June 2015 |
| 75 | B | 1 | 0653/11 Oct/Nov 2015 |
| 76 | D | 1 | 0653/11 Oct/Nov 2015 |
| 77 | A | 1 | 0653/12 Oct/Nov 2015 |
| 78 | D | 1 | 0653/12 Oct/Nov 2015 |
| 79 | D | 1 | 0653/13 Oct/Nov 2015 |
| 80 | D | 1 | 0653/13 Oct/Nov 2015 |
| 81 | C | 1 | 0653/11 May/June 2016 |
| 82 | D | 1 | 0653/11 May/June 2016 |
| 83 | C | 1 | 0653/12 May/June 2016 |
| 84 | C | 1 | 0653/12 May/June 2016 |
| 85 | D | 1 | 0653/13 May/June 2016 |
| 86 | C | 1 | 0653/11 Oct/Nov 2016 |
| 87 | D | 1 | 0653/12 Oct/Nov 2016 |
| 88 | C | 1 | 0653/12 Oct/Nov 2016 |
| 89 | B | 1 | 0653/13 Oct/Nov 2016 |
| 90 | D | 1 | 0653/13 Oct/Nov 2016 |
| 91 | B | 1 | 0653/12 Feb/March 2017 |
| 92 | D | 1 | 0653/12 Feb/March 2017 |
| 93 | B | 1 | 0653/11 May/June 2017 |
| 94 | C | 1 | 0653/12 May/June 2017 |
| 95 | C | 1 | 0653/12 May/June 2017 |
| 96 | C | 1 | 0653/13 May/June 2017 |
| 97 | C | 1 | 0653/13 May/June 2017 |
| 98 | A | 1 | 0653/11 Oct/Nov 2017 |
| 99 | B | 1 | 0653/12 Oct/Nov 2017 |
| 100 | D | 1 | 0653/12 Oct/Nov 2017 |
| 101 | B | 1 | 0653/13 Oct/Nov 2017 |
| 102 | B | 1 | 0653/13 Oct/Nov 2017 |
| 103 | A | 1 | 0653/12 Feb/March 2018 |
| 104 | B | 1 | 0653/12 Feb/March 2018 |
| 105 | A | 1 | 0653/11 May/June 2018 |
| 106 | A | 1 | 0653/12 May/June 2018 |
| 107 | D | 1 | 0653/12 May/June 2018 |
| 108 | A | 1 | 0653/13 May/June 2018 |
| 109 | D | 1 | 0653/13 May/June 2018 |
| 110 | C | 1 | 0653/11 Oct/Nov 2018 |
| 111 | C | 1 | 0653/12 Oct/Nov 2018 |
| 112 | D | 1 | 0653/12 Oct/Nov 2018 |
| 113 | C | 1 | 0653/13 Oct/Nov 2018 |
| 114 | B | 1 | 0653/12 Feb/March 2019 |
| 115 | B | 1 | 0653/12 Feb/March 2019 |
| 116 | B | 1 | 0653/12 Feb/March 2019 |
| 117 | C | 1 | 0653/11 May/June 2019 |
| 118 | B | 1 | 0653/11 May/June 2019 |
| 119 | A | 1 | 0653/12 May/June 2019 |
| 120 | D | 1 | 0653/13 May/June 2019 |
| 121 | C | 1 | 0653/11 Oct/Nov 2019 |
| 122 | D | 1 | 0653/11 Oct/Nov 2019 |
| 123 | C | 1 | 0653/12 Oct/Nov 2019 |
| 124 | D | 1 | 0653/12 Oct/Nov 2019 |
| 125 | C | 1 | 0653/13 Oct/Nov 2019 |
| 126 | D | 1 | 0653/13 Oct/Nov 2019 |
| 127 | C | 1 | 0653/12 Feb/March 2020 |
| 128 | D | 1 | 0653/11 May/June 2020 |
| 129 | B | 1 | 0653/11 Oct/Nov 2020 |
| 130 | D | 1 | 0653/11 Oct/Nov 2020 |
| 131 | B | 1 | 0653/12 Oct/Nov 2020 |
| 132 | B | 1 | 0653/12 Oct/Nov 2020 |
| 133 | A | 1 | 0653/12 Oct/Nov 2020 |
| 134 | B | 1 | 0653/13 Oct/Nov 2020 |
| 135 | D | 1 | 0653/12 Feb/March 2021 |
| 136 | A | 1 | 0653/12 Feb/March 2021 |
| 137 | B | 1 | 0653/11 May/June 2021 |
| 138 | A | 1 | 0653/11 May/June 2021 |
| 139 | C | 1 | 0653/11 May/June 2021 |
| 140 | B | 1 | 0653/12 May/June 2021 |
| 141 | B | 1 | 0653/12 May/June 2021 |
| 142 | A | 1 | 0653/12 May/June 2021 |
| 143 | D | 1 | 0653/12 May/June 2021 |
| 144 | B | 1 | 0653/13 May/June 2021 |
| 145 | A | 1 | 0653/13 May/June 2021 |
| 146 | D | 1 | 0653/13 May/June 2021 |
| 147 | D | 1 | 0653/11 Oct/Nov 2021 |
| 148 | A | 1 | 0653/11 Oct/Nov 2021 |
| 149 | A | 1 | 0653/12 Feb/March 2022 |
| 150 | B | 1 | 0653/12 Feb/March 2022 |
| 151 | D | 1 | 0653/12 Feb/March 2022 |
| 152 | B | 1 | 0653/11 May/June 2022 |
| 153 | A | 1 | 0653/11 May/June 2022 |
| 154 | A | 1 | 0653/11 May/June 2022 |
| 155 | A | 1 | 0653/12 May/June 2022 |
| 156 | A | 1 | 0653/12 May/June 2022 |
| 157 | B | 1 | 0653/13 May/June 2022 |
| 158 | A | 1 | 0653/13 May/June 2022 |
| 159 | A | 1 | 0653/11 Oct/Nov 2022 |
| 160 | C | 1 | 0653/11 Oct/Nov 2022 |
| 161 | A | 1 | 0653/12 Oct/Nov 2022 |
| 162 | A | 1 | 0653/12 Oct/Nov 2022 |
| 163 | A | 1 | 0653/13 Oct/Nov 2022 |
| 164 | A | 1 | 0653/13 Oct/Nov 2022 |
| 165 | B | 1 | 0653/12 Feb/March 2023 |
| 166 | A | 1 | 0653/11 May/June 2023 |
| 167 | C | 1 | 0653/11 May/June 2023 |
| 168 | D | 1 | 0653/12 May/June 2023 |
| 169 | A | 1 | 0653/12 May/June 2023 |
| 170 | D | 1 | 0653/13 May/June 2023 |
| 171 | D | 1 | 0653/11 Oct/Nov 2023 |
| 172 | B | 1 | 0653/11 Oct/Nov 2023 |
| 173 | C | 1 | 0653/11 Oct/Nov 2023 |
| 174 | C | 1 | 0653/12 Oct/Nov 2023 |
| 175 | C | 1 | 0653/13 Oct/Nov 2023 |
| 176 | C | 1 | 0653/13 Oct/Nov 2023 |
| 177 | D | 1 | 0653/12 Feb/March 2024 |
| 178 | B | 1 | 0653/12 Feb/March 2024 |
| 179 | D | 1 | 0653/12 Feb/March 2024 |
| 180 | B | 1 | 0653/12 May/June 2024 |
| 181 | D | 1 | 0653/13 May/June 2024 |
| 182 | A | 1 | 0653/11 Oct/Nov 2024 |
| 183 | B | 1 | 0653/12 Oct/Nov 2024 |
| 184 | D | 1 | 0653/12 Oct/Nov 2024 |
| 185 | D | 1 | 0653/13 Oct/Nov 2024 |
| 186 | A | 1 | 0653/12 Feb/March 2025 |
| 187 | D | 1 | 0653/12 Feb/March 2025 |
| 188 | D | 1 | 0653/11 May/June 2025 |
| 189 | C | 1 | 0653/12 May/June 2025 |
| 190 | D | 1 | 0653/13 May/June 2025 |
| 191 | B | 1 | 0653/11 Oct/Nov 2025 |
| 192 | D | 1 | 0653/12 Oct/Nov 2025 |
| 193 | D | 1 | 0653/13 Oct/Nov 2025 |
38 When the circuit shown is connected with switch S open, the 6 V lamp glows. 6 V R 6 V lamp S What happens to the brightness of the lamp when switch S is closed? A It becomes brighter. B It remains the same. C It becomes dimmer. D It goes off.
1 marks
Answer: A
39 In the circuit shown, one of the fuses blows and all the lamps go out. Which fuse blows? + – A B C D
1 marks
Answer: A
37 Four lamps and four switches are connected to a power supply as shown in the circuit diagram. When all the switches are closed, all the lamps are lit. When one of the switches is then opened, only one lamp goes out. Which switch is opened? A B C D
1 marks
Answer: C
36 When electricity is transmitted over long distances energy is wasted. How can the wasted energy be kept as small as possible? A Keep the current in the transmission lines as large as possible. B Keep the power supplied to the transmission lines as large as possible. C Keep the resistance of the transmission lines as large as possible. D Keep the voltage supplied to the transmission lines as large as possible.
1 marks
Answer: D
37 In the circuit below, one of the lamps breaks, causing all the other lamps to go out. Which lamp breaks? A C D B
1 marks
Answer: D
38 An electric heater is connected to the mains using insulated copper wires. The wires become very warm. What can be done to prevent so much heat being produced in the connecting wires? A Use thicker copper wires. B Use thinner copper wires. C Use thicker insulation. D Use thinner insulation.
1 marks
Answer: A
36 Which circuit shows the correct use of a voltmeter in measuring the p.d. across the resistor? A B V V C D V V
1 marks
Answer: B
37 Which diagram shows a circuit that will allow the lamps to be switched on and off independently? A B C D
1 marks
Answer: D
36 The circuit shows a current I in a resistor of resistance R. 3.0 V I R Which line gives possible values of I and R? I / A R / Ω A 1.5 1.5 B 1.5 2.0 C 6.0 2.0 D 4.0 12
1 marks
Answer: B
37 Four lamps are connected in a circuit as shown in the diagram. Each lamp is designed to operate at 12 V. 12 V The circuit is now switched on. Which statement is correct? A Each lamp can be switched off independently. B If one lamp breaks all the others will stay alight. C The current is the same in all the lamps. D The lamps will all light at normal brightness.
1 marks
Answer: C
37 In the circuit shown, the switches S1 and S2 may be open (off) or closed (on). V + switches shown 12 V open (off) – S2 S1 Which line in the table shows the voltmeter reading for the switch positions given? S1 S2 voltmeter reading / V A open open 12 B closed closed 12 C open closed 0 D closed open 12
1 marks
Answer: B
38 The device X in this circuit is designed to cut off the electricity supply if too much current flows. X What is device X? A a fuse B a relay C a resistor D an ammeter
1 marks
Answer: A
38 In the circuit below, X and Y are identical 6 V lamps. 6 V switch X Y What happens when the switch is closed (switched on)? A X lights more brightly than Y. B Y lights more brightly than X. C X and Y both light with full brightness. D X and Y both light with half brightness.
1 marks
Answer: C
39 Two different systems are used to transmit equal amounts of electrical power from one building to another. One system uses low voltage and the other uses high voltage. Which line in the table is correct about which system wastes least energy and why? least energy wasted why A high voltage system the current in the wires is bigger B high voltage system the current in the wires is smaller C low voltage system the current in the wires is bigger D low voltage system the current in the wires is smaller
1 marks
Answer: B
36 Using the circuit shown, the current I is found for various voltages V. The temperature of the resistor does not change. variable direct voltage V A I Which graph shows the results obtained? A B C D I I I I 0 0 0 0 0 V 0 V 0 V 0 V
1 marks
Answer: A
37 In the circuit shown, ammeter X reads 0.5 A. 4.0 V X A A Y 3.0 Ω 5.0 Ω What does ammeter Y read? A 0 B 0.5 A C 3.5 A D 4.0 A
1 marks
Answer: B
38 In the circuits shown, all the resistors are identical. Which circuit has the least resistance? A B C D
1 marks
Answer: C
39 In the circuit below, one of the lamps breaks, causing all the other lamps to go out. Which lamp breaks? A C D B
1 marks
Answer: D
33 In each of the circuits shown, identical resistors, cells and lamps are used. In which circuit will the lamp glow most brightly? A B C D
1 marks
Answer: B
32 In each of the circuits shown, identical resistors, cells and lamps are used. In which circuit will the lamp glow most brightly? A B C D
1 marks
Answer: B
33 Electrical appliances are often fitted with a fuse. What is the purpose of the fuse? A to adjust the voltage supplied to the correct value B to allow the appliance to be switched on by a small current C to cut the power supply if the appliance is used too often D to cut the power supply if the current becomes too large
1 marks
Answer: D
32 In each of the circuits shown, identical resistors, cells and lamps are used. In which circuit will the lamp glow most brightly? A B C D
1 marks
Answer: B
33 The diagrams show part of an electric circuit containing an ammeter and a voltmeter. Which arrangement should be used to measure the potential difference (p.d.) across the resistor and the current through it? A B C D A V V A V V A A
1 marks
Answer: C
34 The diagram shows an electrical circuit. 12 V 2 Ω 2 Ω What is the current through the circuit? A 3 A B 4 A C 12 A D 24 A
1 marks
Answer: A
35 In the circuit shown, only one of the fuses has blown, but none of the lamps is lit. Which fuse has blown? power supply B A D C
1 marks
Answer: B
32 The diagram shows an electrical circuit. 12 V 2 Ω 2 Ω What is the current through the circuit? A 3 A B 4 A C 12 A D 24 A
1 marks
Answer: A
33 In the circuit shown, only one of the fuses has blown, but none of the lamps is lit. Which fuse has blown? power supply B A D C
1 marks
Answer: B
34 The diagrams show part of an electric circuit containing an ammeter and a voltmeter. Which arrangement should be used to measure the potential difference (p.d.) across the resistor and the current through it? A B C D A V V A V V A A
1 marks
Answer: C
34 The diagram shows an electrical circuit. 12 V 2 Ω 2 Ω What is the current through the circuit? A 3 A B 4 A C 12 A D 24 A
1 marks
Answer: A
35 The diagrams show part of an electric circuit containing an ammeter and a voltmeter. Which arrangement should be used to measure the potential difference (p.d.) across the resistor and the current through it? A B C D A V V A V V A A
1 marks
Answer: C
36 In the circuit shown, only one of the fuses has blown, but none of the lamps is lit. Which fuse has blown? power supply B A D C
1 marks
Answer: B
36 The diagram shows a circuit with three ammeters, X, Y and Z. Z A X A 5 Ω Y A 10 Ω The ammeter readings are 1 A, 2 A and 3 A. Which ammeter has which reading? X Y Z A 1 A 2 A 3 A B 3 A 2 A 1 A C 2 A 3 A 1 A D 2 A 1 A 3 A
1 marks
Answer: D
37 A circuit diagram contains the following symbol. What does this symbol represent? A a fixed resistor B a fuse C a relay D a variable resistor
1 marks
Answer: B
38 The diagram shows an electric circuit. S1 X S2 S3 Which switches will have to be closed so that only bulb X will light? A S1, S2 and S3 B S1 and S2 only C S1 and S3 only D S2 and S3 only
1 marks
Answer: B
34 Which transformer would change a 240 V a.c. input into a 15 V a.c. output? A B 800 turns 40 turns 1000 turns 25 turns C D 1200 turns 75 turns 2400 turns 15 turns
1 marks
Answer: C
36 A circuit diagram contains the following symbol. What does this symbol represent? A a fixed resistor B a fuse C a relay D a variable resistor
1 marks
Answer: B
37 The diagram shows a circuit with three ammeters, X, Y and Z. Z A X A 5 Ω Y A 10 Ω The ammeter readings are 1 A, 2 A and 3 A. Which ammeter has which reading? X Y Z A 1 A 2 A 3 A B 3 A 2 A 1 A C 2 A 3 A 1 A D 2 A 1 A 3 A
1 marks
Answer: D
38 The diagram shows an electric circuit. S1 X S2 S3 Which switches will have to be closed so that only bulb X will light? A S1, S2 and S3 B S1 and S2 only C S1 and S3 only D S2 and S3 only
1 marks
Answer: B
34 Diagram 1 shows two identical resistors R1 and R2 connected in series in a circuit. R2 is then removed, as shown in diagram 2. diagram 1 diagram 2 A A R1 R2 R1 V V How do the readings on the ammeter and the voltmeter change when R2 is removed? ammeter voltmeter A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: D
34 Diagram 1 shows two identical resistors R1 and R2 connected in series in a circuit. R2 is then removed, as shown in diagram 2. diagram 1 diagram 2 A A R1 R2 R1 V V How do the readings on the ammeter and the voltmeter change when R2 is removed? ammeter voltmeter A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: D
35 Diagram 1 shows two identical resistors R1 and R2 connected in series in a circuit. R2 is then removed, as shown in diagram 2. diagram 1 diagram 2 A A R1 R2 R1 V V How do the readings on the ammeter and the voltmeter change when R2 is removed? ammeter voltmeter A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: D
38 The diagram represents a circuit which includes a battery, an ammeter, a voltmeter and a variable resistor. A V What happens to the readings on the meters as the resistance of the variable resistor is increased? ammeter reading voltmeter reading A decreases decreases B decreases stays constant C increases decreases D increases stays constant
1 marks
40 The diagram shows a circuit. S What happens to the lamp when switch S is closed? A It does not light at all. B It lights and then blows. C It lights more brightly. D It lights more dimly.
1 marks
38 A battery is connected to a resistor. current Which changes to potential difference across the resistor, and to the resistance of the resistor, will produce the smallest current? potential resistance difference A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: B
40 How are lamps usually connected in a lighting circuit, and what is one advantage of this? how lamps are advantage connected A in parallel they each receive the full supply voltage B in parallel they share the supply voltage equally C in series they each receive the full supply voltage D in series they share the supply voltage equally
1 marks
Answer: A
38 A battery is connected to a resistor. current Which changes to potential difference across the resistor, and to the resistance of the resistor, will produce the smallest current? potential resistance difference A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: B
40 How are lamps usually connected in a lighting circuit, and what is one advantage of this? how lamps are advantage connected A in parallel they each receive the full supply voltage B in parallel they share the supply voltage equally C in series they each receive the full supply voltage D in series they share the supply voltage equally
1 marks
Answer: A
39 The circuit shows a mains supply connected to a heater. P Q live mains heater supply neutral S R Between which labelled points should a fuse be connected in the circuit? A between P and Q B between Q and R C between R and S D between S and P
1 marks
Answer: A
40 Four ammeters V, W, X and Y are connected in the circuit shown. V W A A Y X A A Which ammeters have the same reading as each other? A V and W only B V and Y only C X and Y only D V, W, X and Y
1 marks
Answer: D
39 An electrician wishes to connect three lamps in a circuit so that each lamp can be switched on and off separately. Which circuit should be used? A B C D
1 marks
Answer: B
40 A student wishes to find the resistance of resistor R. The diagrams show four possible circuits which the student could use. Which circuit can be used to find the resistance of resistor R? A B R R V A A V C D R A V R V A
1 marks
Answer: B
38 There is an electric current in the circuit shown. Which two changes will each increase the current? change 1 change 2 A decrease the voltage of the battery decrease the resistance of the resistor B decrease the voltage of the battery increase the resistance of the resistor C increase the voltage of the battery decrease the resistance of the resistor D increase the voltage of the battery increase the resistance of the resistor
1 marks
Answer: C
40 The circuit shown contains four labelled switches. All the switches are closed. Which switch can be opened without changing the brightness of either bulb? A B C D
1 marks
Answer: B
40 The circuit shown contains four labelled switches. All the switches are closed. Which switch can be opened without changing the brightness of either bulb? A B C D
1 marks
Answer: B
38 A student wishes to measure the potential difference across a resistor. The circuits show two different positions in which a meter can be connected. position X position Y What meter is used, and where is it connected in the circuit? A an ammeter in position X B an ammeter in position Y C a voltmeter in position X D a voltmeter in position Y
1 marks
Answer: D
40 A circuit contains two lamps and a variable resistor. lamp 1 lamp 2 The resistance of the variable resistor is increased. What happens to the brightness of lamp 1 and what happens to the brightness of lamp 2? brightness of lamp 1 brightness of lamp 2 A decreases decreases B decreases increases C no change decreases D no change increases
1 marks
Answer: A
39 Which circuit can be used to determine the resistance of resistor R? A B R R A A V V C D R R V V A A
1 marks
Answer: A
40 The diagram shows a circuit containing three lamps P, Q and R. All the lamps are lit. P Q R The fuse melts (blows). Which lamps go out? A P and Q B P only C Q and R D Q only
1 marks
Answer: C
39 A circuit diagram contains the following symbol. What does this symbol represent? A a fixed resistor B a fuse C a lamp D a variable resistor
1 marks
Answer: B
40 In the circuit shown the switch is open. A A student closes the switch. What happens to the ammeter reading, and what happens to the total resistance of the circuit? ammeter reading total resistance A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: C
39 The diagram shows a circuit containing three lamps P, Q and R. All the lamps are lit. P Q R The fuse melts (blows). Which lamps go out? A P and Q B P only C Q and R D Q only
1 marks
Answer: C
40 Which circuit can be used to determine the resistance of resistor R? A B R R A A V V C D R R V V A A
1 marks
Answer: A
40 Two resistors of resistance 6.0 ohms and 3.0 ohms are combined first in series and then in parallel. 6.0 Ω 6.0 Ω 3.0 Ω 3.0 Ω arrangement 1 arrangement 2 Which row shows the resistance of arrangement 1 and the resistance of arrangement 2? resistance of resistance of arrangement 1 arrangement 2 A 9 Ω 2 Ω B 9 Ω 9 Ω C 18 Ω 2 Ω D 18 Ω 9 Ω
1 marks
Answer: A
39 Two resistors of resistance 6.0 ohms and 3.0 ohms are combined first in series and then in parallel. 6.0 Ω 6.0 Ω 3.0 Ω 3.0 Ω arrangement 1 arrangement 2 Which row shows the resistance of arrangement 1 and the resistance of arrangement 2? resistance of resistance of arrangement 1 arrangement 2 A 9 Ω 2 Ω B 9 Ω 9 Ω C 18 Ω 2 Ω D 18 Ω 9 Ω
1 marks
Answer: A
20 A circuit is set up to pass a current through a solution. What is added to the circuit to show that a current flows? A an anode B a battery C a cathode D a lamp
1 marks
Answer: D
38 The diagram shows an electric circuit. S1 X S2 Y S3 Which switches should be closed so that lamp X is lit but lamp Y is not lit? A S1, S2 and S3 B S1 and S2 only C S1 and S3 only D S2 and S3 only
1 marks
Answer: B
40 Diagram 1 shows two identical resistors R1 and R2 connected in series in a circuit. In diagram 2, R2 has been removed. A A R1 R2 R1 V V diagram 1 diagram 2 What has happened to the reading on the ammeter and what has happened to the reading on the voltmeter in diagram 2? ammeter voltmeter A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: D
39 A voltmeter and an ammeter are used to determine the resistance of a lamp. Which circuit shows the meters connected to take the necessary measurements? A B A V V A C D V A A V
1 marks
Answer: A
40 The diagram shows a circuit with four identical bulbs P, Q, R and S. P Q R S Which statement about the brightness of the bulbs is correct? A P is the same brightness as Q. B P is the same brightness as S. C Q is brighter than S. D R is brighter than P.
1 marks
Answer: B
39 A student connects a battery to a lamp. She wishes to measure the current in the lamp and the potential difference across the lamp. Which circuit is used to do this? A B C D V A A A V V A V
1 marks
Answer: D
40 In the circuit shown, the switch is open. What happens to the lamp when the switch is closed? A It becomes brighter. B It becomes dimmer. C It becomes dimmer at first, then brighter. D Its brightness does not change.
1 marks
Answer: A
38 An air conditioner and a television are both connected to the same electrical circuit. X power air television supply conditioner The current in the air conditioner is 9.0 A and the current in the television is 2.0 A. Several different fuses are available. Which fuse should be connected at X? A 1 A B 3 A C 7 A D 13 A
1 marks
Answer: D
39 A student wishes to determine the resistance of a resistor. He sets up the circuit shown. A Y X V Which statement about the circuit is true? A The ammeter and the voltmeter should change places. B The circuit is correct. C The voltmeter should be in position X. D The voltmeter should be in position Y.
1 marks
Answer: B
40 The diagrams show different arrangements of identical resistors. Which arrangement has the least resistance? A B C D
1 marks
Answer: C
39 The circuit diagram includes two resistors connected in parallel. wire P wire S A wire Q 2 Ω 4 Ω wire R Which statement is correct? A The current in wire P is equal to the current in wire Q. B The current in wire P is greater than the current in wire R. C The current in wire Q is greater than the current in wire S. D The current in wire R is equal to the current in wire S.
1 marks
Answer: B
40 Two identical lamps P and Q are connected in a circuit as shown in the diagram. P Q The circuit is now switched on. Which statement is correct? A Each lamp can be switched off independently. B If lamp Q breaks, lamp P stays alight. C Lamp P is brighter than lamp Q. D The current is the same in both lamps.
1 marks
Answer: D
39 The diagrams show four arrangements of resistors. Which arrangement has the smallest total resistance? A B 4 Ω 2 Ω 2 Ω 4 Ω C D 4 Ω 4 Ω 4 Ω
1 marks
Answer: A
40 Two identical lamps P and Q are connected in a circuit as shown in the diagram. P Q The circuit is now switched on. Which statement is correct? A Each lamp can be switched off independently. B If lamp Q breaks, lamp P stays alight. C Lamp P is brighter than lamp Q. D The current is the same in both lamps.
1 marks
Answer: D
39 The diagram shows a circuit with three ammeters X, Y and Z. A X Y A Z A Which set of readings on the ammeters is possible? X Y Z A 2 A 3 A 5 A B 3 A 2 A 5 A C 3 A 3 A 3 A D 5 A 2 A 3 A
1 marks
Answer: D
40 Two identical lamps P and Q are connected in a circuit as shown in the diagram. P Q The circuit is now switched on. Which statement is correct? A Each lamp can be switched off independently. B If lamp Q breaks, lamp P stays alight. C Lamp P is brighter than lamp Q. D The current is the same in both lamps.
1 marks
Answer: D
38 A battery is connected to a resistor. current Which changes to the resistance of the resistor, and to the potential difference across the resistor, must produce a smaller current? potential resistance difference A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: C
40 The circuit shown contains a component X and two meters Y and Z. meter Y X meter Z Which unit is used when stating the value of X, and which units are used when stating the readings on Y and Z? X Y Z A amp ohm volt B amp volt ohm C ohm amp volt D ohm volt amp
1 marks
Answer: D
38 A battery is connected to a resistor. current Which changes to the resistance of the resistor, and to the potential difference across the resistor, must produce a smaller current? potential resistance difference A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: C
40 In the circuit shown, three identical resistors are connected with four ammeters P, Q, R and S. R A A A P S A Q Which two ammeters have the same reading? A P and Q B P and R C P and S D Q and S
1 marks
Answer: C
40 The diagram shows two resistors in a circuit with three ammeters P, Q and R. Ammeter P reads 6.0 A. A R 6.0 A A P Q A Which row gives the reading on ammeter Q and the reading on ammeter R? ammeter Q ammeter R / A / A A 3.0 0 B 3.0 3.0 C 4.0 2.0 D 6.0 6.0
1 marks
Answer: D
40 The diagram shows four different circuits containing either one or two resistors. P Q 3.0 Ω 5.0 Ω R S 3.0 Ω 3.0 Ω 5.0 Ω 5.0 Ω What is the order of increasing resistance of these circuits? lowest highest resistance resistance A P Q R S B R S P Q C S P Q R D P R Q S
1 marks
Answer: C
38 An ammeter and a voltmeter are correctly connected in a circuit so that the resistance of the resistor can be calculated. The ammeter reads 2.0 A and the voltmeter reads 4.0 V. meter 1 meter 2 Which row correctly identifies the voltmeter and gives the resistance of the resistor? resistance of voltmeter resistor / Ω A meter 1 0.50 B meter 1 2.0 C meter 2 0.50 D meter 2 2.0
1 marks
Answer: D
40 The diagram shows a circuit with a battery connected to three resistors P, Q and R. In different parts of the circuit the currents are I1, I2 and I3, as shown. I2 Q I1 I3 P R Which is correct? A I1 is equal to I2 and I2 is equal to I3. B I1 is larger than I2 and I2 is larger than I3. C I1 is larger than I2 and I2 is smaller than I3. D I1 is smaller than I2 and I2 is larger than I3.
1 marks
Answer: C
38 The diagrams show the circuits connected by four students to determine the resistance of a resistor R. Which circuit is correct? A B V R R V A A + – + – C D A A R R V V + – + –
1 marks
Answer: B
40 The circuit shows a lamp, four identical cells and four switches P, Q, R and S. All the switches are open. Q P R S Two switches are now closed, and the lamp lights. Which switches could have been closed to cause the lamp to light? A P and R B Q and R C Q and S D R and S
1 marks
Answer: D
38 The diagrams show four circuits. Which circuit can be used to find the resistance of resistor R? A B R R V A A V C D R A V R V A
1 marks
Answer: B
40 The diagram shows a battery connected to three 6.0 Ω resistors. Two points X and Y are marked on the circuit. 6.0 Ω 6.0 Ω 6.0 Ω X Y What is the combined resistance of the three resistors, and how does the current at point Y compare with the current at point X? combined current at point Y resistance / Ω A 6.0 less than current at point X B 6.0 the same as current at point X C 18 less than current at point X D 18 the same as current at point X
1 marks
Answer: D
39 A power supply causes a current in a circuit. The potential difference (p.d.) of the power supply and the resistance of the circuit are both changed. Which pair of changes must result in a smaller current in the circuit? p.d. resistance A decreased decreased B decreased increased C increased decreased D increased increased
1 marks
Answer: B
39 Which circuit can be used when determining the resistance of resistor R? A B C D A V V A A R R R R A V V
1 marks
Answer: C
40 The circuit shown includes two identical lamps and an open switch. lamp 1 lamp 2 The switch is now closed. Which statement is now correct? A Lamp 1 is brighter than lamp 2. B The brightness of lamp 1 increases. C The p.d. across each lamp is the same. D The total resistance of the circuit is greater.
1 marks
Answer: C
39 Which circuit can be used when determining the resistance of resistor R? A B C D A V V A A R R R R A V V
1 marks
Answer: C
40 The circuit shown includes two identical lamps and an open switch. lamp 1 lamp 2 The switch is now closed. Which statement is now correct? A Lamp 1 is brighter than lamp 2. B The brightness of lamp 1 increases. C The p.d. across each lamp is the same. D The total resistance of the circuit is greater.
1 marks
Answer: C
40 Four resistors are connected in the arrangement shown. 3.0 Ω 3.0 Ω 6.0 Ω 6.0 Ω What is a possible value of the combined resistance of this arrangement? A 11 Ω B 12 Ω C 15 Ω D 18 Ω
1 marks
Answer: A
39 The diagram shows a circuit used to find the resistance of lamp L. Blocks P, Q and R represent the different components used. 12 V P R L Q Which is a possible choice of components to use for P, Q and R? P Q R A ammeter variable resistor voltmeter B variable resistor voltmeter ammeter C voltmeter ammeter variable resistor D voltmeter variable resistor ammeter
1 marks
Answer: B
40 A circuit contains a battery and three identical resistors. The current at one point in the circuit is 9.0 A, as shown. P and Q are points in the connecting wires. Q 9.0 A P What is the current at point P and what is the current at point Q? current current at P / A at Q / A A 3.0 3.0 B 6.0 0 C 6.0 9.0 D 9.0 9.0
1 marks
Answer: D
39 Which circuit is used to determine the resistance of the resistor R? A B V A R R A V C D V A R R V A
1 marks
Answer: B
40 Three 3.0 Ω resistors are connected in a circuit as shown. 3.0 Ω 3.0 Ω 3.0 Ω What is the combined resistance of the three resistors in this circuit? A less than 3.0 Ω B between 3.0 Ω and 6.0 Ω C between 6.0 Ω and 9.0 Ω D 9.0 Ω
1 marks
Answer: B
39 The diagrams show four circuits, each containing an ammeter and two lamps with different resistances. Which circuit shows an ammeter with a reading equal to the current in each lamp? A B C D A A A A
1 marks
Answer: A
40 Three 4.0 Ω resistors are connected as shown. 4.0 Ω 4.0 Ω 4.0 Ω What is the combined resistance of this arrangement? A less than 4.0 Ω B between 4.0 Ω and 8.0 Ω C between 8.0 Ω and 12 Ω D 12 Ω
1 marks
Answer: B
40 A student determines the resistance of resistor R. Which circuit is used to obtain the readings needed? A B + – + – V R R A A V C D + – + – A R R V A V
1 marks
Answer: A
39 A lamp can be dimmed or switched off. Its circuit is protected by a fuse. Which diagram shows this circuit? A B C D
1 marks
Answer: A
40 The diagram shows a circuit containing three identical resistors and three ammeters X, Y and Z. A Z 6.0 A A X A Y The reading on ammeter X is 6.0 A. What are the readings on ammeters Y and Z? reading on reading on ammeter Y / A ammeter Z / A A 2.0 4.0 B 3.0 3.0 C 4.0 2.0 D 6.0 6.0
1 marks
Answer: D
39 A lamp can be dimmed or switched off. Its circuit is protected by a fuse. Which diagram shows this circuit? A B C D
1 marks
Answer: A
40 The diagram shows a circuit containing three identical resistors and three ammeters X, Y and Z. A Z 6.0 A A X A Y The reading on ammeter X is 6.0 A. What are the readings on ammeters Y and Z? reading on reading on ammeter Y / A ammeter Z / A A 2.0 4.0 B 3.0 3.0 C 4.0 2.0 D 6.0 6.0
1 marks
Answer: D
40 Two lamps and two ammeters are connected in the circuit shown. Each ammeter reads 1.0 A. A A Which is the most suitable rating for the fuse in this circuit? A 0.5 A B 1 A C 3 A D 13 A
1 marks
Answer: C
38 The circuit shown includes a 4.0 Ω resistor. A 4.0 Ω V Which pair of meter readings in the table is possible? voltmeter ammeter reading reading / V / A A 0.50 2.0 B 1.0 4.0 C 2.0 0.5 D 2.5 1.5
1 marks
Answer: C
40 The circuit contains four ammeters P, Q, R and S. 60 Ω A S 60 Ω Q P A A A 30 Ω R Which statement about the readings on the ammeters is correct? A The reading on S is less than the reading on P. B The reading on Q is greater than the reading on S. C The reading on R is greater than the reading on S. D The reading on Q is less than the reading on P.
1 marks
Answer: D
40 The diagram shows two circuits each containing two 10 Ω resistors. 10 Ω 10 Ω 10 Ω 10 Ω circuit 1 circuit 2 What is the resistance of each circuit? circuit 1 circuit 2 A greater than 10 Ω greater than 10 Ω B greater than 10 Ω less than 10 Ω C less than 10 Ω greater than 10 Ω D less than 10 Ω less than 10 Ω
1 marks
Answer: C
37 A variable power supply is connected to a resistor and there is a current in the resistor. variable power supply current The potential difference across the resistor is decreased. The temperature of the resistor does not change. What happens to the current in the resistor and what happens to the resistance of the resistor? current resistance A decreases increases B decreases stays the same C increases decreases D increases stays the same
1 marks
Answer: B
38 The diagram shows a circuit used to light a lamp in a torch. The user wants a torch in which the brightness of the lamp can be varied. Which component is connected in series with the lamp to do this? A B C D
1 marks
Answer: B
39 The diagram shows a circuit with three switches P, Q and R. P Q R Which switches must be closed so that both lamps light? A P and Q only B P and R only C Q and R only D P, Q and R
1 marks
Answer: B
38 The diagram shows a circuit set up by a student. A V How is the resistance of the resistor calculated? ammeter reading A voltmeter reading B ammeter reading × voltmeter reading voltmeter reading C ammeter reading D voltmeter reading + ammeter reading
1 marks
Answer: C
39 A circuit contains four ammeters P, Q, R and S. A Q P A A R A S Which of these ammeters show the greatest reading? A P only B P and Q C R only D R and S
1 marks
Answer: B
39 The diagrams show two ways in which three lamps X, Y and Z may be connected. X Y X Y Z Z circuit 1 circuit 2 Which statement is correct? A If lamp Y breaks in circuit 1, both the other lamps go off. B If lamp Y breaks in circuit 2, both the other lamps go off. C If lamp Y breaks in circuit 1, lamp Z goes off, but lamp X remains on. D If lamp Y breaks in circuit 2, lamp Z goes off, but lamp X remains on.
1 marks
Answer: A
39 In which circuit is there a current of 2.0 A? A B C D 1.5 V 0.50 V 3.0 V 6.0 V 0.50 Ω 1.5 Ω 6.0 Ω 3.0 Ω
1 marks
Answer: D
38 A student wants to measure the potential difference across a resistor. The circuits show two different positions in which a meter can be connected. position Y position X What meter is used, and where is it connected in the circuit? A an ammeter in position X B an ammeter in position Y C a voltmeter in position X D a voltmeter in position Y
1 marks
Answer: C
39 Four ammeters V, W, X and Y are connected in the circuit shown. V W A A Y X A A Which ammeters have the same reading as each other? A V and W only B V and Y only C X and Y only D V, W, X and Y
1 marks
Answer: D
39 A student wants to measure the potential difference across a resistor. The circuits show two different positions in which a meter can be connected. position Y position X What meter is used, and where is it connected in the circuit? A an ammeter in position X B an ammeter in position Y C a voltmeter in position X D a voltmeter in position Y
1 marks
Answer: C
40 Four ammeters V, W, X and Y are connected in the circuit shown. V W A A Y X A A Which ammeters have the same reading as each other? A V and W only B V and Y only C X and Y only D V, W, X and Y
1 marks
Answer: D
39 A student wants to measure the potential difference across a resistor. The circuits show two different positions in which a meter can be connected. position Y position X What meter is used, and where is it connected in the circuit? A an ammeter in position X B an ammeter in position Y C a voltmeter in position X D a voltmeter in position Y
1 marks
Answer: C
40 Four ammeters V, W, X and Y are connected in the circuit shown. V W A A Y X A A Which ammeters have the same reading as each other? A V and W only B V and Y only C X and Y only D V, W, X and Y
1 marks
Answer: D
39 A 3.0 Ω resistor and a 6.0 Ω resistor are connected in series. What is their combined resistance? A less than 3.0 Ω B between 3.0 Ω and 6.0 Ω C exactly 9.0 Ω D exactly 18 Ω
1 marks
Answer: C
39 Four circuits contain identical cells, identical lamps and identical resistors. Which lamp glows most brightly? A B C D
1 marks
Answer: D
38 A power supply causes a current in a circuit. The electromotive force (e.m.f.) of the power supply and the resistance of the circuit are both changed. Which pair of changes must result in a smaller current in the circuit? e.m.f. resistance A decreased decreased B decreased increased C increased decreased D increased increased
1 marks
Answer: B
39 The diagram shows a cell connected to a resistor and two meters, X and Y. The circuit is used when determining the resistance of the resistor. X Y What are the quantities measured by meters X and Y, and what are their correct units? meter X meter Y quantity unit quantity unit A current A p.d. V B current V p.d. A C p.d. A current V D p.d. V current A
1 marks
Answer: D
38 A power supply causes a current in a circuit. The electromotive force (e.m.f.) of the power supply and the resistance of the circuit are both changed. Which pair of changes must result in a smaller current in the circuit? e.m.f. resistance A decreased decreased B decreased increased C increased decreased D increased increased
1 marks
Answer: B
39 The diagram shows an electric circuit. The switch is closed and both lamps are lit. A X Y Lamp Y is now switched off. Lamp X remains lit. What happens to the reading on the ammeter? A It decreases to zero. B It decreases but to a value greater than zero. C It stays the same. D It increases.
1 marks
Answer: B
40 The diagrams show four identical resistors connected in different combinations. Which combination has the greatest combined resistance? A B C D
1 marks
Answer: A
39 A power supply causes a current in a circuit. The electromotive force (e.m.f.) of the power supply and the resistance of the circuit are both changed. Which pair of changes must result in a smaller current in the circuit? e.m.f. resistance A decreased decreased B decreased increased C increased decreased D increased increased
1 marks
Answer: B
39 Which electrical component is represented by the symbol shown? A a fixed resistor B a fuse C a lamp D a variable resistor
1 marks
Answer: D
40 The diagrams show four arrangements of resistors. Which arrangement has the smallest total resistance? A B 4 Ω 2 Ω 2 Ω 4 Ω C D 4 Ω 4 Ω 4 Ω
1 marks
Answer: A
37 The diagram represents a circuit that includes a battery, an ammeter, a voltmeter and a variable resistor. A V What happens to the readings on the meters as the resistance of the variable resistor is increased? ammeter reading voltmeter reading A decreases decreases B decreases stays constant C increases decreases D increases stays constant
1 marks
Answer: B
38 Which circuit allows each lamp to be switched on and off independently of the other lamp? A B C D
1 marks
Answer: A
39 Lamp P is connected to a cell. A second lamp is then connected in parallel with lamp P. P P How does this change affect the brightness of lamp P and how does it affect the current in the cell? brightness of lamp P current in cell A less bright greater B less bright unchanged C unchanged greater D unchanged unchanged
1 marks
Answer: C
37 The diagram represents a circuit that includes a battery, an ammeter, a voltmeter and a variable resistor. A V What happens to the readings on the meters as the resistance of the variable resistor is increased? ammeter reading voltmeter reading A decreases decreases B decreases stays constant C increases decreases D increases stays constant
1 marks
Answer: B
38 Two lamps are connected in the circuit shown. The currents at three points are labelled I1, I2 and I3. I1 I2 I3 How are I1, I2 and I3 related? Use the key to help you. key < less than > greater than = equal to A I1 < I2 < I3 B I1 = I2 = I3 C I1 > I2 and I1 = I3 D I1 > I2 > I3
1 marks
Answer: B
39 Two resistors are connected as shown. 3.0 Ω 3.0 Ω What is the combined resistance of the two resistors? A less than 3.0 B 3.0 C 6.0 D 9.0
1 marks
Answer: A
40 An air conditioner and a television are both connected to the same electrical circuit. X power air television supply conditioner The current in the air conditioner is 9.0 A and the current in the television is 2.0 A. Several different fuses are available. Which fuse should be connected at X? A 1 A B 3 A C 7 A D 13 A
1 marks
Answer: D
38 The diagram represents a circuit that includes a battery, an ammeter, a voltmeter and a variable resistor. A V What happens to the readings on the meters as the resistance of the variable resistor is increased? ammeter reading voltmeter reading A decreases decreases B decreases stays constant C increases decreases D increases stays constant
1 marks
Answer: B
39 A 20 resistor and a 15 resistor are connected in parallel. 20 Ω 15 Ω What is the combined resistance of the two resistors? A less than 15 B between 15 and 20 C 35 D greater than 35
1 marks
Answer: A
40 An air conditioner and a television are both connected to the same electrical circuit. X power air television supply conditioner The current in the air conditioner is 9.0 A and the current in the television is 2.0 A. Several different fuses are available. Which fuse should be connected at X? A 1 A B 3 A C 7 A D 13 A
1 marks
Answer: D
38 A circuit contains a battery connected to a resistor. Which values of electromotive force (e.m.f.) and resistance produce the smallest current in the circuit? e.m.f. / V resistance / A 6.0 10 B 6.0 20 C 24 80 D 24 160
1 marks
Answer: D
39 The diagrams show four circuits, each containing an ammeter and two lamps with different resistances. Which circuit shows an ammeter with a reading equal to the current in each lamp? A B C D A A A A
1 marks
Answer: A
38 Two 3.0Q resistors are connected in series to a 1.5V cell. 1.5V 3.0Q 3.00 What is the current in the circuit? A 0.25A B 0.50A C 4.0A D 9.0A
1 marks
Answer: A
39 The diagram shows a power supply, three lamps and three switches, S1, S2 and S3, in a circuit. + – S2 S1 S3 All the lamps are lit. Which row gives the states of the switches? S1 S2 S3 A closed closed open B closed open closed C open closed open D open open closed
1 marks
Answer: B
40 The diagram shows a circuit with three ammeters. The readings on the ammeters are X, Y and Z. A X Y A Z A Which set of readings on the ammeters is possible? X / A Y / A Z / A A 2 3 5 B 3 2 5 C 3 3 3 D 5 2 3
1 marks
Answer: D
37 A student sets up a circuit to measure the current in a lamp and the potential difference (p.d.) across it. Which circuit shows the correct connection of the ammeter and the voltmeter? A B A V A V C D V V A A
1 marks
Answer: B
39 A circuit contains two lamps and a variable resistor. lamp 1 lamp 2 The resistance of the variable resistor is increased. What happens to the brightness of lamp 1 and what happens to the brightness of lamp 2? brightness of lamp 1 brightness of lamp 2 A decreases decreases B decreases increases C no change decreases D no change increases
1 marks
Answer: A
40 Identical resistors are connected together in different arrangements. Which arrangement has the greatest resistance between points X and Y? A B X Y X Y C D X Y X Y
1 marks
Answer: A
39 The diagrams show three identical resistors connected in different arrangements. Which arrangement has the greatest resistance? A B C D
1 marks
Answer: A
40 A circuit contains two lamps and a variable resistor. lamp 1 lamp 2 The resistance of the variable resistor is increased. What happens to the brightness of lamp 1 and what happens to the brightness of lamp 2? brightness of lamp 1 brightness of lamp 2 A decreases decreases B decreases increases C no change decreases D no change increases
1 marks
Answer: A
38 A 2.0 resistor and a 4.0 resistor are connected in series to a 12 V power supply. 12 V 2.0 Ω 4.0 Ω What is the current in the 2.0 resistor? A 0.50 A B 2.0 A C 3.0 A D 6.0 A
1 marks
Answer: B
39 A circuit contains two lamps and a variable resistor. lamp 1 lamp 2 The resistance of the variable resistor is increased. What happens to the brightness of lamp 1 and what happens to the brightness of lamp 2? brightness of lamp 1 brightness of lamp 2 A decreases decreases B decreases increases C no change decreases D no change increases
1 marks
Answer: A
38 In which circuit is there a current of 2.0 A? A B Cc D 6.0V 0.50V 3.0V 1.5V 3.0Q 1.50 6.0Q 0.50Q
1 marks
Answer: A
39 A circuit contains three switches S1, S2 and S3 and two identical lamps P and Q. S2 S1 Q P S3 Lamp Q is switched on but lamp P is not switched on. Which switches are closed? A S1 and S2 only B S2 only C S2 and S3 only D S1, S2 and S3
1 marks
Answer: C
38 In which circuit is there a current of 2.0 A? A B Cc D 6.0V 0.50V 3.0V 1.5V 3.0Q 1.50 6.0Q 0.50Q
1 marks
Answer: A
39 The diagram shows three identical lamps and four ammeters connected in a circuit. ammeter 1 A A ammeter 4 ammeter 3 A A ammeter 2 Which statement about the ammeter readings is correct? A The reading on ammeter 1 is greater than the reading on ammeter 3. B The reading on ammeter 1 is greater than the reading on ammeter 4. C The reading on ammeter 3 is greater than the reading on ammeter 2. D The reading on ammeter 2 is greater than the reading on ammeter 4.
1 marks
Answer: A
38 In which circuit is there a current of 2.0 A? A B Cc D 6.0V 0.50V 3.0V 1.5V 3.00 1.50 6.0Q 0.50Q
1 marks
Answer: A
39 The diagram shows three identical lamps and four ammeters connected in a circuit. ammeter 1 A A ammeter 4 ammeter 3 A A ammeter 2 Which statement about the ammeter readings is correct? A The reading on ammeter 1 is greater than the reading on ammeter 3. B The reading on ammeter 1 is greater than the reading on ammeter 4. C The reading on ammeter 3 is greater than the reading on ammeter 2. D The reading on ammeter 2 is greater than the reading on ammeter 4.
1 marks
Answer: A
39 Which circuit is used to measure the current in a lamp and the potential difference (p.d.) across the lamp? A B A V A V C D A A V V
1 marks
Answer: B
39 Which circuit is used to determine the resistance of resistor R? A B R R A A V V C D V R V R A A
1 marks
Answer: A
40 Which arrangement of resistors has the smallest combined resistance? A B 2.0Q Cc D 2.00 | 2.00 3.00 400 a oe oe of}
1 marks
Answer: C
38 The diagram shows a cell connected to a resistor and two meters, X and Y. The circuit is used when determining the resistance of the resistor. X Y What are the quantities measured by meters X and Y, and what are their correct units? meter X meter Y quantity unit quantity unit A current A p.d. V B current V p.d. A C p.d. A current V D p.d. V current A
1 marks
Answer: D
39 A circuit contains two lamps connected in parallel. One fuse protects both lamps and one switch operates both lamps. Which circuit diagram shows this arrangement? A B C D
1 marks
Answer: A
39 The diagram shows a power supply connected to a 4.0Q resistor, a 6.0Q resistor and a 2.0Q resistor. 4.09 6.02 2.09 Which statement about current is correct? A_ The current is greatest in the 2.0 resistor. The current is greatest in the 4.0 resistor. The current is greatest in the 6.0 resistor. 0 oO DW The current is the same in each of the resistors.
1 marks
Answer: D
38 Which circuit is used to measure the current in the lamp and the potential difference (p.d.) across it? A B A V V A C D A V V A
1 marks
Answer: D
39 An electric heater has a resistance of 50 . It is connected to a power supply with a potential difference (p.d.) of 240 V. What is the current in the heater? A 0.21 A B 4.8 A C 190 A D 290 A
1 marks
Answer: B
40 Which symbol is used to represent a fixed resistor in an electrical circuit? A B C D
1 marks
Answer: C
38 A battery is connected to a heater, an ammeter and a voltmeter. The ammeter measures the current in the heater. The voltmeter measures the potential difference across the heater. Which diagram shows this circuit? A B C D A A A V V V V A
1 marks
Answer: C
38 A battery is connected to a heater, an ammeter and a voltmeter. The ammeter measures the current in the heater. The voltmeter measures the potential difference across the heater. Which diagram shows this circuit? A B C D A A A V V V V A
1 marks
Answer: C
39 What is the circuit symbol for a component whose only purpose is to protect an electric circuit? A B C D
1 marks
Answer: C
37 The diagram shows a cell connected to two resistors. W X R Z Y A voltmeter that measures the potential difference (p.d.) across resistor R is connected into the circuit. Between which two labelled points is the voltmeter connected? A W and X B W and Y C X and Y D Y and Z
1 marks
Answer: D
38 The diagram shows a circuit that includes a variable resistor, a voltmeter and an ammeter. V A The resistance of the variable resistor is increased. What happens to the readings on the two meters? ammeter reading voltmeter reading A decreases increases B decreases stays the same C increases increases D increases stays the same
1 marks
Answer: B
39 Four identical lamps are connected in two different circuits. Two of the lamps are connected in series to a suitable power supply so that they receive their correct working voltage. The other two lamps are connected in parallel to a different power supply so that they also receive their correct working voltage. What is an advantage of connecting the lamps in parallel rather than in series? A A smaller length of wire is required. B The lamps produce more light. C The lamps use less energy. D When one lamp fails, the other lamp stays on.
1 marks
Answer: D
40 Two lamps can be connected to a power supply either in series or in parallel. Which statement is correct? A In a series circuit, the current from the power supply is greater than the current in each lamp. B Lamps connected in parallel can be controlled separately by using switches. C The combined resistance of lamps in series is less than when they are connected in parallel. D When one lamp in a series circuit stops working, the other lamp always remains lit.
1 marks
Answer: B
39 The current in a resistor and the potential difference (p.d.) across it are recorded. Which expression is used to calculate the resistance of the resistor? current A p.d. B current (p.d.)2 C p.d. current p.d. D current
1 marks
Answer: D
40 The diagram shows a circuit. What is a description of this circuit? A a lamp that can be switched on and off, protected by a fuse B a lamp that can have its brightness continuously varied C a motor that can be switched on and off, protected by a fuse D a motor that can have the current in it measured
1 marks
Answer: A
38 A student sets up a circuit to find the resistance of a length of wire. A wire V When the switch is closed, the ammeter reads 2.0 A and the voltmeter reads 10 V. What is the resistance of the length of wire? A 0.20 B 5.0 C 8.0 D 20
1 marks
Answer: B
39 What is the circuit symbol for a fuse? A B C D
1 marks
Answer: D
39 What is the circuit symbol for a fuse? A B C D
1 marks
Answer: D
38 A student connects a meter into the circuit shown to measure the current in heater H. H Which row shows the name of the meter and how it is connected into the circuit? meter how it is connected A ammeter in series with H B ammeter in parallel with H C voltmeter in series with H D voltmeter in parallel with H
1 marks
Answer: A
39 Which electrical component is represented by the symbol shown? A fixed resistor B fuse C lamp D variable resistor
1 marks
Answer: D
38 Which equation relates the resistance R of a resistor to the current I in the resistor and the voltage V across the resistor? I 1 V A R = B R = IV C R = D R = V ( I V ) I
1 marks
Answer: D
39 The diagram shows a circuit containing three identical lamps, P, Q and R. All the lamps are shining. P Q R The fuse melts (blows). Which lamps stop shining? A P and Q B P only C Q and R D Q only
1 marks
Answer: C
38 When the switch in the circuit shown is closed, the lamp glows dimly. Which labelled component is adjusted to make the lamp glow more brightly? A A B D C
1 marks
Answer: D
38 Which circuit allows the lamps to be switched on and off separately? A B C D
1 marks
Answer: B
39 In which circuit does operating the switch not affect the lamp? A B C D
1 marks
Answer: D
39 In which circuit does operating the switch not affect the lamp? A B C D
1 marks
Answer: D