Top 250+ Solved Electronic Devices and Circuits MCQ Questions Answer
Q. A very simple bias for a D-MOSFET is called:
a. self biasing
b. gate biasing
c. zero biasing
d. voltage- divider biasing
Q. The h- parameter approach gives correct results for
a. large signals only
b. small signals only
c. both small and large signals
d. none of the above
Q. If the operating point changes, the h-parameters of transistor
a. also change
b. do not change
c. may or may not change
d. none of above
Q. The dc load line on a family of collector characteristic curves of a transistor shows the
a. saturation region.
b. cutoff region.
c. active region.
d. all of the above
Q. The output of a class-B amplifier
a. is distortion free
b. consists of positive half cycle only
c. is like the output of a full wave rectifier
d. comprises short duration current pulses
Q. The main use of a class C amplifier is
a. as an rf amplifier
b. as stereo amplifier
c. in communication sound equipment
d. as distortion generator
Q. The output stage of a multistage amplifier is also called
a. mixer stage
b. power stage
c. detector stage
d. f stage
Q. The maximum efficiency of resistance loaded class A power amplifier is
a. 5%
b. 50%
c. 30%
d. 25%
Q. Power amplifiers handle signals compare to voltage amplifiers.
a. small
b. very small
c. large
d. none of the above