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7.2 The motor effect

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Question 9

A training rig contains a vertical busbar surrounded by a horizontal mounting ring. The ring is marked north, east, south and west. Compass P is on the north side of the busbar and points west. Compass Q is on the east side of the busbar and points north. The connections to the busbar are then reversed.

Which describes the directions shown by P and Q after the connections are reversed?

[1]
A

P points east and Q points north

B

P points west and Q points north

C

P points east and Q points south

D

P points west and Q points south

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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