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4.5.4a Force on a current-carrying conductor

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Question 11

An engineer wants to increase the magnetic force acting on a straight, current-carrying wire situated in a uniform magnetic field. They propose three potential modifications:

  1. Increase the current flowing through the wire
  2. Use a stronger magnet to increase the magnetic flux density
  3. Align the wire so that it is parallel to the magnetic field lines

Which of these modifications will successfully increase the force on the wire?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

Markscheme

4.5.4a Force on a current-carrying conductor Questions

  1. IGCSE
  2. /Physics
  3. /4.5.4a Force on a current-carrying conductor

19 exam-style questions on CIE IGCSE Physics 4.5.4a Force on a current-carrying conductor. Each one has a worked solution and a mark scheme showing where the marks go.

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