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7.2 The motor effect

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Question 9
H

In a simple motor, the coil turns until the plane of the coil is at right angles to the magnetic field.

a.

Explain why the resultant moment on the coil is zero in this position.

[2]
b.

Give the reason why the coil does not stop turning in this position.

[1]
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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