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7.2 The motor effect

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Question 5
F

A vertical wire passes through a horizontal card. The current in the wire is directed upwards. Plotting compasses on the card point anticlockwise around the wire when seen from above. The current in the wire is then reversed. Which describes the compasses now?

[1]
A

Pointing clockwise around the wire, seen from above

B

Pointing anticlockwise around the wire, seen from above

C

Pointing directly away from the wire in every direction

D

Pointing directly towards the wire from every direction

Markscheme

7.2 The motor effect Questions

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

90 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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