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Subjects / LC Physics / Electricity and magnetism

Electromagnetic induction and AC

Faraday's and Lenz's laws, generators, transformers and alternating current.

5th Year6th Year HigherOrdinary
15practice questions

Multiple choice: 7 · Numeric answer: 4 · Put in order: 1 · Short answer: 2 · Written answer (self/teacher assessed): 1

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Short answer
Name the device that changes the voltage of an alternating current.
Hint 1

It has primary and secondary coils on an iron core.

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