A Step up transformer can increase AC voltage the what is the need of an amplifier?

Asked by jithingeo | 17th Feb, 2011, 04:13: PM

Expert Answer:

Dear student

A transformer can convert one type of signals into another with amplification but it cannot amplify power; hence we need an amplifier.An amplifier is a device for increasing the power of a signal.

 

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Answered by  | 18th Feb, 2011, 11:47: AM

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