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4.2 Uses of magnetism

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Question 20
H

The north pole of a bar magnet is pushed towards one end of a coil. The coil is part of a complete circuit.

Which statement is correct?

[1]
A

The near end of the coil becomes a north pole, which repels the magnet

B

The near end of the coil becomes a south pole, which attracts the magnet

C

The induced current makes a field that helps to pull the magnet inwards

D

The coil produces no magnetic field, because its wire is not made of iron

Markscheme

4.2 Uses of magnetism Questions

  1. GCSE
  2. /Physics
  3. /4.2 Uses of magnetism

48 exam-style questions on OCR GCSE Physics 4.2 Uses of magnetism, covering 4.2.1 The motor effect, 4.2.2 Fleming's left-hand rule, 4.2.3 The force on a current-carrying conductor, 4.2.4 The electric motor, 4.2.5 Electromagnetic induction, 4.2.6 Alternators and dynamos, 4.2.7 How transformers work, 4.2.8 Transformer turns ratio, 4.2.9 Potential differences and turns in transformers, and 4.2.10 Microphones, loudspeakers and headphones. Each one has a worked solution and a mark scheme showing where the marks go.

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