Class A Output Stage MCQ

Test your knowledge with important Class A Output Stage MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Class A Output Stage MCQs on Bissoy. Bissoy App

• The most costly coupling is ____________ coupling
  ক

  Transformer

  খ

  Impedance

  গ

  RC

  ঘ

  Direct
• 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?
  ক

  20W

  খ

  5 W

  গ

  25W

  ঘ

  50W
• When no signal is applied, the approximate collector efficiency of class A power amplifier is ____________
  ক

  25%

  খ

  10%

  গ

  0%

  ঘ

  50%
• A class A power amplifier is sometimes called ____________ amplifier
  ক

  Reciprocating

  খ

  Single – ended

  গ

  Symmetrical

  ঘ

  Differential
• A power amplifier has comparatively ____________ β.
  ক

  Small

  খ

  Large

  গ

  Very large

  ঘ

  Same
• In class A operation, the operating point is generally located ____________ of the d.c. load line.
  ক

  At cut off point

  খ

  At the middle

  গ

  At saturation point

  ঘ

  In active region
• Power amplifiers handle ____________ signals compare to voltage amplifiers
  ক

  small

  খ

  large

  গ

  very small

  ঘ

  equal
• The maximum efficiency of transformer coupled class A power amplifier is ____________
  ক

  50%

  খ

  25%

  গ

  30%

  ঘ

  5%
• The maximum efficiency of resistance loaded class A power amplifier is ____________
  ক

  5%

  খ

  35%

  গ

  25%

  ঘ

  50%
• A class A power amplifier uses ______________
  ক

  Two transistors

  খ

  One transistor

  গ

  Three transistors

  ঘ

  Four transistors