Lesson: Chapter 13 — Electromagnetism and electromagnetic induction

The AC generator 1 of 4 Reset answers

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Question 1

What do the slip rings of an AC dynamo do?

A Turn the coil B Make the magnetic field C Keep each end of the coil joined to the same brush D Reverse the current every half turn

The right answer is the one marked above.

Keep each end of the coil joined to the same brush. So the coil's alternating current reaches the outside circuit unchanged.

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