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The difference in the working of an ampl...

The difference in the working of an amplifier and a step up transformer is

A

amplifier increases the power where as the transformer does not

B

amplifier decreases the power where as the transformer does not

C

amplifier keeps the power constant where as the transformer decreases the power

D

amplifier keeps the power constant where as the transformer increases the power

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The correct Answer is:
A
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