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7.2 The motor effect

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Question 6
H

A straight wire carrying a current is placed between the poles of a magnet.

a.

Explain why there is no force on the wire when the wire lies along the direction of the magnetic field.

[2]
b.

The wire is now turned so that it is at right angles to the magnetic field. Explain the effect of this on the force on the wire.

[2]
Markscheme

7.2 The motor effect Questions

  1. GCSE
  2. /Physics
  3. /7.2 The motor effect

39 exam-style questions on AQA GCSE Physics 7.2 The motor effect, covering 7.2.1 Electromagnetism, 7.2.2 Fleming's left-hand rule (HT only), 7.2.3 Electric motors (HT only), and 7.2.4 Loudspeakers (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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