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O-LevelPhysicsMagnetism5054/12 · Oct/Nov 2024 · Q351 Mark

Which part of a simple d.c. motor reverses the direction of current in the coil once every half rotation of the coil?

Athe armature
Bthe brushes
Cthe slip rings
Dthe split-ring commutator

✓ Correct answer

D: the split-ring commutator

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About this question

Topic
Magnetism, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2024 Paper 1 Variant 2, question 35.

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