DP Physics (first assessment 2025)

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Question 23M.1A.SL.TZ1.19

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ1.19
Level SL Paper 1A Time zone TZ1
Command term Question number 19 Adapted from N/A
19.
[Maximum mark: 1]
23M.1A.SL.TZ1.19

P and R are parallel wires carrying the same current into the plane of the paper. P and R are equidistant from a point Q. The line PQ is perpendicular to the line RQ.

The magnetic field due to P at Q is X. What is the magnitude of the resultant magnetic field at Q due to both wires?


A.  X2

B.  X

C.  X2

D.  2X

[1]

Markscheme

C

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