Electromagnetic effects — Paper 1 · IGCSE Physical Science 0652

37 The diagram shows a cathode-ray tube. electron top beam screen Y2 X2 heater Y1 X1 cathode anode Y-plates X-plates bottom What must be done to deflect the electron beam upwards? A make X1 more positive than X2 B make X2 more positive than X1 C make Y1 more positive than Y2 D make Y2 more positive than Y1

1 marks

Answer: D

This question in 0652/11 Oct/Nov 2007

37 A beam of cathode rays passes through an electric field between charged parallel plates. + cathode ray beam – In which direction is the beam deflected? A towards the negative plate B towards the positive plate C into the page D out of the page

1 marks

Answer: B

This question in 0652/11 Oct/Nov 2008

33 An electromagnet with a soft iron core is connected to battery through an open switch. The soft iron core lies just above some small soft iron nails. electromagnet soft iron core soft iron nails The switch is now closed, left closed for a few seconds, and then opened. What do the soft iron nails do as the switch is closed and what do they do as the switch is then opened? as switch is closed as switch is opened A nails jump up nails fall down B nails jump up nails stay up C nails stay down nails jump up D nails stay down nails stay down

1 marks

Answer: A

This question in 0652/12 Oct/Nov 2011

38 An evacuated glass bulb contains a small tungsten filament T and a metal plate P. vacuum filament T plate P Filament T is heated and particles are emitted from it by thermionic emission. The particles emitted from filament T are attracted towards plate P. What is the sign of the charge on the particles and what is the sign of the charge on plate P? sign of charge sign of charge on particles on plate P A negative negative B negative positive C positive negative D positive positive

1 marks

Answer: B

This question in 0652/11 Oct/Nov 2013

38 An evacuated glass bulb contains a small tungsten filament T and a metal plate P. vacuum filament T plate P Filament T is heated and particles are emitted from it by thermionic emission. The particles emitted from filament T are attracted towards plate P. What is the sign of the charge on the particles and what is the sign of the charge on plate P? sign of charge sign of charge on particles on plate P A negative negative B negative positive C positive negative D positive positive

1 marks

Answer: B

This question in 0652/12 Oct/Nov 2013

38 The diagram shows the trace on the screen of a cathode-ray oscilloscope. To produce this trace, which row shows whether the time base is on or off, and which plates are connected to an external source of changing voltage (a.c.)? a.c. supply time base connected to A off x-plates B off y-plates C on x-plates D on y-plates

1 marks

Answer: D

This question in 0652/11 Oct/Nov 2014

38 The diagram shows the trace on the screen of a cathode-ray oscilloscope. To produce this trace, which row shows whether the time base is on or off, and which plates are connected to an external source of changing voltage (a.c.)? a.c. supply time base connected to A off x-plates B off y-plates C on x-plates D on y-plates

1 marks

Answer: D

This question in 0652/12 Oct/Nov 2014

38 The diagram shows part of a cathode-ray tube, as found in an oscilloscope. Electrical connections P and Q are labelled. anode P Q cathode Which row shows the sign of the voltage at P, the sign of the voltage at Q and the component that is heated? heated voltage at P voltage at Q component A + – anode B + – cathode C – + anode D – + cathode

1 marks

Answer: D

This question in 0652/11 Oct/Nov 2015

38 The diagram shows part of a cathode-ray tube, as found in an oscilloscope. Electrical connections P and Q are labelled. anode P Q cathode Which row shows the sign of the voltage at P, the sign of the voltage at Q and the component that is heated? heated voltage at P voltage at Q component A + – anode B + – cathode C – + anode D – + cathode

1 marks

Answer: D

This question in 0652/12 Oct/Nov 2015

38 The diagram shows a cathode-ray tube. cathode anode top Y plate P screen bottom Y plate A student wants the cathode rays to make a spot at P on the screen. Which parts of the cathode-ray tube should be positive? A anode and top Y plate B anode and bottom Y plate C cathode and top Y plate D cathode and bottom Y plate

1 marks

Answer: A

This question in 0652/11 Oct/Nov 2016

38 The diagram shows a cathode-ray tube. cathode anode top Y plate P screen bottom Y plate A student wants the cathode rays to make a spot at P on the screen. Which parts of the cathode-ray tube should be positive? A anode and top Y plate B anode and bottom Y plate C cathode and top Y plate D cathode and bottom Y plate

1 marks

Answer: A

This question in 0652/12 Oct/Nov 2016

33 Why is iron a suitable material for the core of an electromagnet? A It is a good conductor of electricity. B It is a poor conductor of electricity. C It loses its magnetism when the current is switched off. D It stays magnetised when the current is switched off.

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2018

37 The diagrams show two forces acting on the coil of an electric motor. In which diagram do the two forces cause the coil to rotate? A B N S N S axis coil C D N S N S

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2018

37 The diagrams show two forces acting on the coil of an electric motor. In which diagram do the two forces cause the coil to rotate? A B N S N S axis coil C D N S N S

1 marks

Answer: C

This question in 0652/12 Oct/Nov 2018

38 A current-carrying coil experiences a turning effect when it is placed in a magnetic field. Which row gives two changes to the coil that each result in a greater turning effect? number of turns current in on the coil the coil A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0652/11 Oct/Nov 2019

38 A current-carrying conductor experiences a force when placed in a magnetic field. Two changes are made to the coil but the direction of the force does not change. Which two changes are made? A The current is increased and the direction of the magnetic field is reversed. B The current is reversed and the strength of the magnetic field is decreased. C The current is reversed and the strength of the magnetic field is increased. D The current is reversed and the direction of the magnetic field is reversed.

1 marks

Answer: D

This question in 0652/12 Oct/Nov 2019

37 A current-carrying wire is placed between the poles of a magnet. This causes a force to act on the wire in the direction shown. current into page N S F force on wire The poles of the magnet and the current direction are both reversed. Which labelled arrow now shows the direction of the force on the wire? C current out of page S B D N A

1 marks

Answer: A

This question in 0652/11 Oct/Nov 2021

33 Which metal is used to make the core of an electromagnet? A aluminium B copper C iron D steel

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2022

33 Which metal is used to make the core of an electromagnet and what is a property of an electromagnet? metal used property of electromagnet for core A soft iron it can be switched on and off B soft iron it is a permanent magnet C steel it can be switched on and off D steel it is a permanent magnet

1 marks

Answer: A

This question in 0652/11 Oct/Nov 2023

33 Which metal is used to make a permanent magnet and which metal is used to make the core of an electromagnet? permanent core of magnet electromagnet A iron iron B iron steel C steel iron D steel steel

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2024