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7.3 Induced potential, transformers and the National Grid (HT only)

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Question 11
H

A magnet is pushed into a coil at a steady speed and a potential difference is induced. Which change would reverse the direction of the induced potential difference without changing its size?

[1]
A

Pushing the same magnet into the coil more slowly

B

Pulling the same magnet out of the coil at the same speed

C

Using a magnet that produces a stronger magnetic field

D

Winding more turns of the same wire onto the same coil

Markscheme

7.3 Induced potential, transformers and the National Grid (HT only) Questions

  1. GCSE
  2. /Physics
  3. /7.3 Induced potential, transformers and the National Grid (HT only)

40 exam-style questions on AQA GCSE Physics 7.3 Induced potential, transformers and the National Grid (HT only), covering 7.3.1 Induced potential (HT only), 7.3.2 Uses of the generator effect (HT only), 7.3.3 Microphones (HT only), and 7.3.4 Transformers (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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