Discussion :: Electronic Devices and Circuits
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The O/P Power of a power amplifier is several times its input power. It is possible because
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A.
power amplifier introduces a -ve resistance
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B.
there is +ve feed back in the circuit
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C.
step up transformer is use in the circuit
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D.
power amplifier converts a part of I/P d.c. power into a.c. power
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Answer : Option D
Explanation :
No answer description available for this question.
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