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12.3 The motor effect

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Question 41
H

A rectangular motor coil has two active sides equally spaced from its axle. At one instant, each side experiences a force of 0.12 N, one upwards and one downwards. Both forces are perpendicular to the plane of the coil. Which describes their combined effect?

[1]
A

A 0.24 N0.24\ \mathrm{N}0.24 N resultant force and a zero turning effect

B

A 0.24 N0.24\ \mathrm{N}0.24 N resultant force and a non-zero turning effect

C

Zero resultant force and a non-zero turning effect

D

Zero resultant force and a zero turning effect

Markscheme

12.3 The motor effect Questions

  1. GCSE
  2. /Physics
  3. /12.3 The motor effect

86 exam-style questions on Edexcel GCSE Physics 12.3 The motor effect, covering 12.3.1 The motor effect, 12.3.2 Fleming's left-hand rule, 12.3.3 Force on a conductor, and 12.3.4 Electric motors. Each one has a worked solution and a mark scheme showing where the marks go.

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