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12.3 The motor effect

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Question 34
H

A wire experiences a force of 0.18 N when it carries a current of 3.0 A. The length perpendicular to the magnetic field is 0.20 m. Use F=BIlF=BIlF=BIl. What is the magnetic flux density?

[1]
A

0.30 T0.30\ \mathrm{T}0.30 T

B

0.012 T0.012\ \mathrm{T}0.012 T

C

0.108 T0.108\ \mathrm{T}0.108 T

D

3.3 T3.3\ \mathrm{T}3.3 T

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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