Top 250+ Solved Electronic Devices and Circuits MCQ Questions Answer

a. transformer- coupled between stages

b. operated at audio frequencies

c. tuned rf amplifiers

d. wideband

a. transistor power

b. ambient temperature

c. junction temperature

d. collector current

a. class a

b. class b or ab

c. class c

d. class d

a. 90%

b. 78.50%

c. 50%

d. 25%

a. class a

b. class b or ab

c. class c or d

d. all of the above

a. true

b. false

a. it needs two separate voltage sources.

b. there is crossover distortion in the output signal.

c. it does not provide exact switching of one transistor off and the other on at the zero- voltage condition.

d. all of the above

a. true

b. false

a. 3.83%

b. 38.3%

c. 83.3%

d. 8.33%

a. digital multimeter

b. spectrum analyzer

c. oscilloscope

d. wave analyzer

a. digital multimeter

b. spectrum analyzer

c. oscilloscope

d. wave analyzer

a. 50º to 80º

b. 100º to 110º

c. 150º to 200º

d. 250º to 300º

a. class a

b. class b or ab

c. class c

d. class d

a. 25 w

b. 30 w

c. 35 w

d. 40 w

a. bjt

b. fet

c. ujt

d. mosfet