The class B push-pull circuit can deliver 100 W of a.c. output power. What should be the minimum power rating of each transistor ?

Related Mcqs:

1. 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...

2. For the same a.c. power output as above, what should be the minimum power rating of transistor for class B operation?

   A. 10 W B. 4 W C. 8 W D. None of the above...

3. The push-pull circuit must use ______________ operation?

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

4. If the zero signal dissipation of a transistor is 1W, then power rating of the transistor should be at least___________________?

   A. 5 W B. 33 W C. 75 W D. 1 W...

5. 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...

6. The power output of an audio system is 18 W. For a person to notice an increase in the output (loudness or sound intensity) of the system, what must the output power be increased to ?

   A. 2 W B. 6 W C. 68 W D. None of the above...

7. For faithful amplification by a transistor circuit, the value of VCE should______________for silicon transistor?

   A. Not fall below 1 V B. Be zero C. Be 0.2 V D. None of the above...

8. For faithful amplification by a transistor circuit, the value of VBE should_____________for a silicon transistor?

   A. Be zero B. Be 0.01 V C. Not fall below 0.7 V D. Be between 0 V and 0.1 V...

9. The value of collector load RC in a transistor amplifier is _______________the output impedance of the transistor?

   A. The same as B. Less than C. More than D. None of the above...

10. 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...