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AQA · GCSE · Combined Science · Higher

Separating an unreacted solid from a mixture

Q01.2 2 marks

Figure 2 shows a paper clip being attracted to a permanent magnet.

A horizontal bar magnet labelled S on the left and N on the right. A paper clip is shown next to the north pole.

Figure 2

Enlarged question image

A horizontal bar magnet labelled S on the left and N on the right. A paper clip is shown next to the north pole.
Figure 2

The paper clip in Figure 2 is not a permanent magnet.

Explain what would happen if the paper clip was removed and brought close to the south pole of the permanent magnet.

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Marking points

  1. 1 Say that the paper clip would still be attracted to the magnet.
  2. 2 Explain that the attraction is due to induced magnetism, or because the paper clip becomes a temporary induced magnet.

Full-mark answer

The paper clip would still be attracted to the magnet because it becomes an induced, temporary magnet.

Why this answer loses marks

It would be repelled by the south pole.

The paper clip is not a permanent magnet with a fixed pole arrangement. It becomes an induced magnet and is attracted.

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