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4.5.3a Magnetic effect of a current and its applications

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Question 9

There is a current of 4.0 A in a straight conductor.

The current is changed to 1.5 A in the opposite direction.

Which effect does this have on the magnetic field around the conductor?

A

It decreases and it acts in the opposite direction.

B

It decreases and it acts in the same direction.

C

It increases and it acts in the opposite direction.

D

It increases and it acts in the same direction.

Markscheme

4.5.3a Magnetic effect of a current and its applications Questions

  1. IGCSE
  2. /Physics
  3. /4.5.3a Magnetic effect of a current and its applications

30 exam-style questions on CIE IGCSE Physics 4.5.3a Magnetic effect of a current and its applications. Each one has a worked solution and a mark scheme showing where the marks go.

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