Simple phenomena of magnetism — Paper 2 · IGCSE Sciences - Co-ordinated (9-1) 0973

35 Two unmagnetised iron nails are in contact with the S-pole of a permanent magnet. The heads of the nails X and Y repel each other. N S X Y Why do X and Y repel? A X becomes an N-pole and Y becomes an S-pole. B X becomes an S-pole and Y becomes an N-pole. C X and Y both become N-poles. D X and Y both become S-poles.

1 marks

Answer: D

This question in 0973/22 May/June 2020

36 An unmagnetised soft iron bar is held close to a permanent magnet and becomes attached to the magnet. The soft iron bar is then moved a large distance from the magnet. permanent magnet soft iron bar S N X What happens at point X when the soft iron bar is attached to the magnet, and what happens when the bar is moved a large distance from the magnet? attached to magnet bar moved away A X becomes an N pole no pole at X B X becomes an N pole remains an N pole C X becomes an S pole no pole at X D X becomes an S pole remains an S pole

1 marks

Answer: A

This question in 0973/21 May/June 2021

38 A rod is rubbed with a dry piece of cloth. A scientist holds the rod in her hand and brings it close to a negatively charged plastic strip. The strip is suspended by an insulating thread. As the rod approaches the plastic strip, the strip moves towards the rod. insulating thread charged plastic – – – – – –– strip – – – – – – – – – – – – strip moves – towards rod hand rod Which statement is correct? A The rod is a negatively charged electrical conductor. B The rod is a negatively charged electrical insulator. C The rod is a positively charged electrical conductor. D The rod is a positively charged electrical insulator.

1 marks

Answer: D

This question in 0973/21 Oct/Nov 2021

35 A plastic rod is rubbed with a cloth and the rod becomes positively charged. Why does this happen? A Electrons move from the cloth to the rod. B Electrons move from the rod to the cloth. C Protons move from the cloth to the rod. D Protons move from the rod to the cloth.

1 marks

Answer: B

This question in 0973/21 May/June 2022

36 A student rubs a balloon against her hair. Electrons are transferred from the hair onto the balloon, and the hair and the balloon both become charged. The hair is now attracted to the balloon. Which row shows the charges on the hair and on the balloon after rubbing? charge on hair charge on balloon A negative negative B negative positive C positive negative D positive positive

1 marks

Answer: C

This question in 0973/22 May/June 2022

35 Which type of magnet can be switched on and off many times per second? A an electromagnet only B a permanent magnet only C both electromagnets and permanent magnets D neither electromagnets or permanent magnets

1 marks

Answer: A

This question in 0973/21 Oct/Nov 2022

35 Two insulators are charged by rubbing them with a cloth. After this, the charged insulators repel each other. Which statement is a possible description of how the insulators become charged? A One gained electrons and the other gained protons. B One gained electrons and the other lost electrons. C They both lost electrons. D They both lost protons.

1 marks

Answer: C

This question in 0973/21 May/June 2023

36 Which material is used for the core of an electromagnet? A aluminium B copper C iron D steel

1 marks

Answer: C

This question in 0973/22 May/June 2023

36 Three charged balls P, Q and R are suspended by insulating threads. Ball P is negatively charged. Ball Q is brought close to ball P. The balls move away from each other. insulating thread P – Q Ball Q is now brought close to ball R. The balls move closer to each other. Q R What are the signs of the charges on ball Q and ball R? ball Q ball R A negative negative B negative positive C positive negative D positive positive

1 marks

Answer: B

This question in 0973/21 Oct/Nov 2023

40 Three types of ionising radiation enter a magnetic field at right angles to the field. Which types of radiation are deflected? A  and  only B  and  only C  and  only D ,  and 

1 marks

Answer: A

This question in 0973/21 Oct/Nov 2023

35 A bar of soft iron and a bar of steel are held in contact with a strong magnet. Both bars become magnetised. The two bars are now moved away from the magnet. Which statement about the bars is correct? A Both bars lose their magnetism. B Neither of the bars loses its magnetism. C The soft iron bar loses its magnetism but the steel bar retains its magnetism. D The steel bar loses its magnetism but the soft iron bar retains its magnetism.

1 marks

Answer: C

This question in 0973/21 May/June 2024

35 The diagram shows two soft-iron rods JK and LM placed between the poles of two magnets. N J K L M S magnet magnet Which row shows the poles induced in the soft-iron rods? at J at K at L at M A N N S S B N S N S C S S N N D S N S N

1 marks

Answer: D

This question in 0973/22 May/June 2024

35 Which statement about the core of an electromagnet is correct? A It is made of soft iron because soft iron is easy to magnetise. B It is made of soft iron because soft iron does not lose its magnetism easily. C It is made of steel because steel is easy to magnetise. D It is made of steel because steel loses its magnetism easily.

1 marks

Answer: A

This question in 0973/21 Oct/Nov 2024

36 A student makes an electromagnet with a steel core. There is a problem with the electromagnet. Which problem with the electromagnet is caused by using a steel core? A The electromagnet does not become magnetised. B The electromagnet has the same type of magnetic pole at each end. C The electromagnet remains magnetised when it is switched off. D The electromagnet repels unmagnetised magnetic materials.

1 marks

Answer: C

This question in 0973/22 May/June 2025