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12.3 The motor effect

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Question 46
H

A simple motor rotates at 900 revolutions per minute. Its split-ring commutator reverses the current in the coil every half-turn. How many times is the current reversed in 2.0 s?

[1]
A

606060

B

151515

C

303030

D

360036003600

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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