Hamad Transistor Audio Power Amplifiers 25/03/2021 A. C B. A C. B D. AB Related Mcqs: If a transistor is operated in such a way that output current flows for 60o of the input signal, then it is ______________ operation?A. Class A B. Class B C. Class C D. None of the above... In class A operation, the operating point is generally located_____________of the d.c. load line?A. At cut off point B. At the middle C. At saturation point D. None of the above... ________________ coupling is generally employed in power amplifiers?A. Transformer B. RC C. direct D. Impedance... 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. 20% B. 80% C. 40% D. 50%... The disadvantage of impedance matching is that it _______________?A. Gives distorted output B. Gives low power output C. Requires a transformer D. None of the above...
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