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4.5.5 The d.c. motor

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Question 23

A current-carrying coil placed in a magnetic field between the poles of two magnets experiences a turning effect.

Which change would increase the turning effect?

A

increasing the distance between the two magnets

B

decreasing the current in the coil

C

using a coil with a greater number of turns

D

using weaker magnets

Markscheme

4.5.5 The d.c. motor Questions

  1. IGCSE
  2. /Physics
  3. /4.5.5 The d.c. motor

31 exam-style questions on CIE IGCSE Physics 4.5.5 The d.c. motor. Each one has a worked solution and a mark scheme showing where the marks go.

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