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Magnets and magnetic fields

Magnets and magnetic fields

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Question 6

Which of the following changes will decrease the strength of an electromagnet?

A

Increasing the size of the current flowing through the coil

B

Inserting a soft iron core into the coil

C

Decreasing the number of turns of wire in the coil

D

Winding the same number of turns over a shorter length

Markscheme

Magnets and magnetic fields Questions

  1. GCSE
  2. /Physics
  3. /Magnets and magnetic fields

17 exam-style questions on OCR GCSE Physics Magnets and magnetic fields. Each one has a worked solution and a mark scheme showing where the marks go.

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