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Mr. Dubey • 86.33K Points
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Q. If the output power of an amplifier is 10 V, and the input power supplied to the amplifier is 0.229 V given that the DC voltage used is

(A) 25%
(B) 50%
(C) 75%
(D) 35%
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Explanation by: Mr. Dubey
 efficiency of a power amplifier is (pout- pin)/ pdc substituting the given values in the above expression, efficiency of the power amplifier is 25%.

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