DP Physics (first assessment 2025)

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Question EXE.1A.SL.TZ0.15

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.SL.TZ0.15
Level SL Paper 1A Time zone TZ0
Command term Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
EXE.1A.SL.TZ0.15

Two long parallel wires X and Y carry equal currents I. The magnetic force exerted per unit length of each wire is F.

The current in X is halved and the current in Y is doubled. What is the force per unit length of each wire after the change?

 

  Force per unit length of X Force per unit length of Y
 A. F F
 B. F2 2F
 C. 2F F2
 D. 2F 2F

[1]

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A

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