For highest power gain, one would use _________________configuration?

Related Mcqs:

1. An amplifier has a power gain of 100. Its db gain is ________________?

   A. 10 db B. 20 db C. 40 db D. None of the above...

2. An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in db?

   A. 8 db B. 6 db C. 5 db D. 4 db...

3. The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?

   A. Transistor B. Biasing circuit C. Collector supply VCC D. None of the above...

4. If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is_____________________?

   A. 165 B. 165 x 104 C. 100 D. None of the above...

5. 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%...

6. The maximum a.c. power output from a class A power amplifier is 10 W. What should be the minimum power rating of the transistor used ?

   A. 10 W B. 15 W C. 5 W D. 20 W...

7. A gain of 1,000,000 times in power is expressed by_____________?

   A. 30 db B. 60 db C. 120 db D. 600 db...

8. If the power level of an amplifier reduces to half, the db gain will fall by___________?

   A. 5 db B. 2 db C. 10 db D. 3 db...

9. Class_____________ power amplifier has the highest collector efficiency ?

   A. C B. A C. B D. AB...

10. In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?

    A. Thin base B. Thin collector C. Wide emitter D. None of the above...