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 ?

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...

The driver stage usually employs_________________?

A. Class A power amplifier B. Push-pull amplifier C. Class C amplifier D. None of the above...

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...