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IGCSEScienceCambridge (CIE)Co-ordinated Sciences (Double Award)PhysicsExam Questions4. Electricity & MagnetismSimple Phenomena of Magnetism

Simple Phenomena of Magnetism (Cambridge (CIE) IGCSE Co-ordinated Sciences (Double Award): Physics): Exam Questions

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Simple Phenomena of Magnetism

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1a4 marks

Extended Tier Only

When the poles of two bar magnets are brought close together, the magnets will experience either an attraction or a repulsion. 

 Complete Table 1.1 by writing either attract or repel in the effect column.

4-1-2a-e-bar-magnets

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1b2 marks

State which item will experience an attraction or repulsion when

(i) a magnetic material is brought close to the north pole of a magnet.

[1]  

(ii) a magnetic material is brought close to the south pole of a magnet.

[1]

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1c1 mark

State one use of a permanent magnet.

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1d4 marks

State four magnetic materials that would be attracted to a magnet.

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2a1 mark

Extended Tier Only

Define the term magnetic field.

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2b1 mark

Extended Tier Only

State the direction of magnetic field lines.

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3a1 mark

Extended Tier Only

When a magnetic material is placed in a magnetic field, that material can become a temporary magnet. 

 Tick one box that correctly names this effect. 

square magnetic attraction

square electromagnetism

square induced magnetism

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3b1 mark

Identify the magnetic materials from the list below. 

Tick all that apply. 

square iron

square copper

square aluminium

square steel

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3c1 mark

Extended Tier Only

Fig. 1.1 shows a magnetic material being brought into the magnetic field of a permanent magnet. 

4-1-4c-e-magnetic-material-induced-poles

Fig. 1.1

Draw, on Fig. 1.1, the temporary poles that will be induced in the magnetic material.

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3d4 marks

Extended Tier Only

Fig. 1.2 shows a chain of paperclips being suspended from a magnet. 

4-1-4d-e-magnet-paperclip-s

Complete the paragraph explaining how this is possible. 

Choose words from the list below.

   temporary        magnetic        permanent      poles         attracted    

 magnetised       repelled       non-magnetic  

 The paperclips are made of steel which is a ...................................... material. The paperclips are ............................... to the permanent magnet. The magnetic field induces temporary ................................ in the paperclips and they become ..................................... magnets. 

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13 marks

A wooden toy train has permanent magnets that hold the carriages together. Fig. 1.1 shows the arrangement. 

4-1-4a-m-toy-train-magnets

The centre carriage (B) is removed and turned 180°. 

Describe the effect this will have on the train.

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2a4 marks

Extended Tier Only

A student is given three unknown metal strips and a bar magnet. 

The student is also given the following information. 

1 strip is magnetic and magnetised

1 strip is magnetic but not magnetised

1 strip is not magnetic

Describe a method the student could use to identify each strip.

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2b3 marks

Extended Tier Only

Describe the difference between a magnetised and an unmagnetised magnetic material.

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33 marks

Extended Tier Only

Two bar magnets are placed next to each other as shown in Fig. 9.1.

screenshot-2022-10-27-at-16-34-12

Magnet A is slowly moved towards magnet B. This causes magnet B to move away from magnet A.

(i) On Fig. 9.1, suggest the poles of each bar magnet.

Label N and S on each of the magnets.

[1]

(ii) State the term used to describe the nature of the forces acting between magnet A and magnet B.

[1]

(iii) Magnet B is removed and replaced with a steel bar of the same size.

Describe what happens when magnet A is slowly moved towards the steel bar.

[1]

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1a4 marks

Extended Tier Only

Fig. 9.1 shows the magnetic field pattern around a bar magnet.

cie-2020-31-13

 

(i) On Fig. 9.1, write the letters N and S to indicate the north and south poles of the magnet.

[1]  

(ii) Fig. 9.2 shows a soft-iron bar placed close to a permanent magnet.  

 State and explain what happens to the soft-iron bar. You may draw on Fig. 9.2.

[3]

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1b4 marks

Extended Tier Only

Three balls P, Q and R are electrically charged. The balls are suspended by threads of insulating material. Fig. 9.3 shows the arrangement.

cie-2020-31-15

Ball P is negatively charged.

(i) State the charge on ball Q and the charge on ball R.

[2]   

(ii) Explain your answer for part (i) for the charge on ball Q.

[2]

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2a2 marks

Extended Tier Only

A long straight wire passes through a piece of card. There is a current in the wire, as shown in Fig. 11.1.

18-32-8b

Fig. 11.2 shows the view of the card from above. The current is into the page.

18-32-8c

The current in the wire produces a magnetic field around the wire. One magnetic field line is drawn.

  On Fig. 11.2, draw two more magnetic field lines around the wire. Show the direction of the magnetic field by drawing an arrow on each field line.

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2b1 mark

Apart from an electric door bell, suggest another use for electromagnets.

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