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O-LevelPhysicsMagnetism5054/12 · May/June 2022 · Q381 Mark

A left hand can be used to determine the direction of the force when a current-carrying conductor is perpendicular to a magnetic field. Which quantities are represented by the direction of fingers P, Q and R?

Diagram for this question, from the exam paper

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Acurrent field force

Bfield force current

Cforce current field

Dforce field current

✓ Correct answer

D: force field current

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About this question

Topic: Magnetism, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2022 Paper 1 Variant 2, question 38.

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