The maximum collector efficiency of class B operation is ________________?

Related Mcqs:

1. If the power rating of a transistor is 1W and collector current is 100mA, then maximum allowable collector voltage is________________?

   A. 1V
   B. 100V
   C. 20V
   D. 10V

2. If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to___________________?

   A. 6 mA
   B. mA
   C. 3 mA
   D. 1 mA

3. If the collector supply is 10V, then collector cut off voltage under d.c. conditions is _______________?

   A. 20 V
   B. 5 V
   C. 2 V
   D. 10 V

4. Class_____________ power amplifier has the highest collector efficiency ?

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

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. For proper operation of the transistor, its collector should have___________________?

   A. Proper forward bias
   B. Proper reverse bias
   C. Very small size
   D. None of the above

7. Class _____________ operation gives the maximum distortion?

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

8. The maximum efficiency of transformer coupled class A power amplifier is _______________?

   A. 30%
   B. 50%
   C. 80%
   D. 45%

9. The maximum efficiency of resistance loaded class A power amplifier is _________________?

   A. 5%
   B. 50%
   C. 30%
   D. 25%

10. 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