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7.2 The motor effect

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Question 3
F

An electromagnet is made by winding insulated wire around an iron core. Which explains the effect of the iron core?

[1]
A

Iron conducts electricity well, so the current in the coil is larger

B

Iron is easily magnetised, so the magnetic field produced is stronger

C

Iron conducts electricity well, so the magnetic field produced is stronger

D

Iron is easily magnetised, so the current needed in the coil is larger

Markscheme

7.2 The motor effect Questions

  1. GCSE
  2. /Physics
  3. /7.2 The motor effect

39 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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