daniela6528 daniela6528

29-10-2018
Physics

contestada

One of these items transforms electrical energy into sound. It is A) a firecracker. B) a violin. C) a radio. D) a drum.

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StrangeStrasburg StrangeStrasburg

29-10-2018

C. The electro currents for a sound

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easedcascade easedcascade

01-01-2019

C. A Radio

Firecrackers < not electric

Violin < Not electric

Radio = electric (needs battery or a wall plug)

Drum < Not electric

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