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7.1 Permanent and induced magnetism, magnetic forces and fields

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Question 7

An engineer checks a permanent magnet before it is fitted into a magnetic tool holder. A plotting compass is placed at several separate test positions around the magnet. At each position, the needle is allowed to come to rest before its direction is recorded.

Why is the needle allowed to come to rest before its direction is recorded?

[1]
A

So that its north-seeking end settles in the magnetic field direction at that position.

B

So that both ends of the needle point in the magnetic field direction at that position.

C

So that the permanent magnet induces magnetism in the compass needle at that position.

D

So that the angle turned by the needle indicates the magnetic field strength at that position.

Markscheme

7.1 Permanent and induced magnetism, magnetic forces and fields Questions

  1. GCSE
  2. /Physics
  3. /7.1 Permanent and induced magnetism, magnetic forces and fields

80 exam-style questions on AQA GCSE Physics 7.1 Permanent and induced magnetism, magnetic forces and fields, covering 7.1.1 Poles of a magnet and 7.1.2 Magnetic fields. Each one has a worked solution and a mark scheme showing where the marks go.

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