The push-pull circuit must use ______________ operation?

Related Mcqs:

1. 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 ?

   A. 20 W
   B. 40 W
   C. 10 W
   D. 80 W

2. If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

   A. 0.625 × 10¹⁹
   B. 1.6 × 10¹⁹
   C. 1.6 × 10-¹⁹
   D. 0.625 × 10-¹⁹

3. 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

4. Class _____________ operation gives the maximum distortion?

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

5. 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

6. The maximum collector efficiency of class B operation is ________________?

   A. 50%
   B. 90%
   C. 5%
   D. 5%

7. 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

8. The stability factor of a collector feedback bias circuit is_______________ that of base resistor bias?

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

9. Digital circuit can be made by the repeated use of________________?

   A. OR gates
   B. NOT gates
   C. NAND gates
   D. None of the above

10. The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)___________?

    A. 6.8 kΩ
    B. 2.2 kΩ
    C. 6.8 kΩ and 10 kΩ
    D. 2.2 kΩ and 1 kΩ