Lesson: Chapter 13 — Electromagnetism and electromagnetic induction

The DC motor 2 of 5 Reset answers

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Question 2

What does the commutator of a DC motor do?

A Makes the magnetic field B Stores energy C Reverses the current in the coil every half turn D Slows the motor down

The right answer is the one marked above.

Reverses the current in the coil every half turn. That keeps the couple turning the coil the same way.

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