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

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Question 8
H

A coil of wire is connected to a sensitive voltmeter. In which situation is a potential difference induced across the ends of the coil?

[1]
A

A permanent magnet rests stationary inside the coil of wire

B

A steady direct current flows in a nearby fixed coil of wire

C

A switch in a nearby circuit is closed and then left closed

D

An alternating current flows in a nearby fixed coil of wire

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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