A. 1V
B. 100V
C. 20V
D. 10V
Related Mcqs:
- 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 - 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 - 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 - 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 - In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?
A. RC + RL
B. RC || RL
C. RL
D. RC - 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 - 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 - 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 - 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% - In a CE amplifier, the phase difference between voltage across collector load RC and signal voltage is _________________?
A. 180o
B. 270o
C. 90o
D. 0o