What will be the collector efficiency of a power amplifier having zero signal power dissipation of 5 watts and a.c. power output of 2 watts ? | MCQ Hive

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Q What will be the collector efficiency of a power amplifier having zero signal power dissipation of 5 watts and a.c. power output of 2 watts ?

A A. 20%
B B. 80%
C C. 40%
D D. 50%

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