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12 Magnetism and the motor effect

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Question 49
H

A straight wire carries conventional current upwards in the plane of the page. Initially, the magnetic field acts out of the page. The current is then reversed and the field strength is doubled without changing its direction. Which describes the new force compared with the original force?

[1]
A

Twice as large, acting to the left

B

Twice as large, acting to the right

C

Half as large, acting to the right

D

Half as large, acting to the left

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12 Magnetism and the motor effect Questions

  1. GCSE
  2. /Physics
  3. /12 Magnetism and the motor effect

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