DP Physics (first assessment 2025)

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Question EXE.1A.SL.TZ0.18

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.SL.TZ0.18
Level SL Paper 1A Time zone TZ0
Command term Question number 18 Adapted from N/A
18.
[Maximum mark: 1]
EXE.1A.SL.TZ0.18

A 4.0 cm length of a conducting wire carries a current of 2.5 A. The length is parallel to another long straight wire that carries a current of 10 A. The distance between the wires is 1.0 cm. The currents are in opposite directions.

What is the magnitude of the force and the direction of the force acting on the 4.0 cm length?

 

   Magnitude of force / μN Direction of force
 A. 1.3 Towards other wire
 B. 20 Towards other wire
 C. 1.3 Away from other wire
 D. 20 Away from other wire

 

[1]

Markscheme

D

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