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O-LevelPhysicsMagnetism5054/11 · Oct/Nov 2010 · Q321 Mark

Two parallel vertical wires P and Q are a small distance apart in air. There is a downwards electric current in both wires. A force acts on Q owing to the current in P. This force is perpendicular to the wire Q. What is the direction of the force on Q?

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AA

BB

CC

DD

✓ Correct answer

D: D

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About this question

Topic: Magnetism, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2010 Paper 1 Variant 1, question 32.

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