Lesson: Chapter 13 — Electromagnetism and electromagnetic induction

The loudspeaker and a simple motor 2 of 4 Reset answers

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Question 2

What energy change happens in a loudspeaker?

A Sound to electrical B Electrical to sound C Chemical to electrical D Light to sound

The right answer is the one marked above.

Electrical to sound. A microphone does the reverse, sound to electrical.

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