This question is about magnets and magnetism - Edexcel - GCSE Physics - Question 4 - 2023 - Paper 2
Question 4
This question is about magnets and magnetism.
(a) Figure 8 shows a magnet that has picked up three paper clips.
(i) The poles of the lowest paper clip are labelled... show full transcript
Worked Solution & Example Answer:This question is about magnets and magnetism - Edexcel - GCSE Physics - Question 4 - 2023 - Paper 2
Step 1
Label the poles of the other two paper clips in Figure 8.
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Answer
The upper paper clip will have its north pole (N) facing the south pole (S) of the magnet, and the middle paper clip will have its south pole (S) facing the north pole (N) of the magnet.
Step 2
Complete the sentence, by choosing a word from the box, to describe the type of magnetism that these paper clips have.
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Answer
These paper clips have induced magnetism.
Step 3
Suggest a material that these paper clips in Figure 8 could be made from.
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Answer
The paper clips could be made from iron, steel, or nickel.
Step 4
State how you can tell from Figure 9 that the strength of the field is greater at P than at Q.
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Answer
The density of the magnetic field lines is greater at P than at Q, indicating a stronger magnetic field.
Step 5
Describe the relationship between magnetic field strength and current.
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Answer
Magnetic field strength is directly proportional to current. As current increases, the magnetic field strength also increases linearly.
