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A 1V peak input sine wave is amplified to 9V peak across a 1kW load. The...

A 1V peak input sine wave is amplified to 9V peak across a 1kW load. The input current of the amplifier is a sine wave of 0.1 mA peak. The amplifier draws 9.5 mA from each of its +/- 10 V DC power supplies. Find h, the efficiency of the amplifier.

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