Showing posts with label Microphone is used to convert PAGE 236. Show all posts

Showing posts with label Microphone is used to convert PAGE 236. Show all posts

Saturday, 12 December 2015

Microphone is used to convert

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236. Microphone is used to convert

A.  sound waves into electrical energy
B.  sound waves into light rays
C.  electrical energy into sound waves
D.  sound waves into magnetic currents

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