Class A Large Signal Amplifiers MCQ

Test your knowledge with important Class A Large Signal Amplifiers MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Class A Large Signal Amplifiers MCQs at Bissoy

• What is the conduction angle of class A amplifier?
  ক

  90

  খ

  180

  গ

  270

  ঘ

  360
• Which of the following technique is used to increase the efficiency of class A amplifier?
  ক

  By using FET

  খ

  By using PNP transistor

  গ

  By using matched transformers as load

  ঘ

  By using potentiometers as load
• If DC power for a Class A amplifier is 500W and AC power is 150W, what is its efficiency?
  ক

  50%

  খ

  75%

  গ

  20%

  ঘ

  30%
• Basic operation of Class A amplifiers____________
  ক

  Crossover distortion

  খ

  Law of Conservation of energy

  গ

  Millers law

  ঘ

  Switching transistor theory
• Why there is a need for heat sinks in Class A amplifier?
  ক

  To control the external temperature

  খ

  To avoid temperature changes affecting the transistor

  গ

  To control heat dissipation

  ঘ

  To increase output resistance
• Which of the following statement is true about class A amplifiers?
  ক

  They are weak against distortions

  খ

  They supress noise signals

  গ

  More efficient

  ঘ

  Delivers 100% power to load
• An ideal large signal amplifier delivers 100% DC power to its load.
  ক

  True

  খ

  False
• What is the efficiency of Class A amplifiers?
  ক

  30 or less

  খ

  50 or less

  গ

  100

  ঘ

  75
• What does class A amplifier do?
  ক

  Delivers KV of voltage to load

  খ

  Delivers KW of power

  গ

  Delivers Kilo Pascal pressure

  ঘ

  Delivers more resistance
• Why do we use CE amplifier as a large signal class a amplifier?
  ক

  It has very high output impedance

  খ

  It has very high input impedance

  গ

  It has very high voltage gain

  ঘ

  It is very much stable