Class D Amplifiers MCQ

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

• Why filters are required in class D amplifier?
  ক

  Output is completely dependent on the lower frequency spectrum

  খ

  To increase the complexity

  গ

  To obtain only lower frequency

  ঘ

  To nullify noise
• What is the conduction angle of class D amplifier?
  ক

  180

  খ

  270

  গ

  0

  ঘ

  90
• Why the cost of MOSFET based power amplifier is less?
  ক

  High impedance

  খ

  Low capacitance

  গ

  Low power dissipation

  ঘ

  Lesser in size
• Which of the following is true about MOSFET class D amplifier?
  ক

  It has infinite gain

  খ

  It is less stable

  গ

  It is less advantageous

  ঘ

  It dissipates less heat
• MOSFET class D amplifier is more advantageous than BJT class D amplifier.
  ক

  True

  খ

  False
• Efficiency of class D amplifier____________
  ক

  100%

  খ

  59%

  গ

  75%

  ঘ

  60%
• Which of the following is true about class D amplifier?
  ক

  Its efficiency is very less

  খ

  It can be made to work as bulb

  গ

  It is big in size

  ঘ

  It operates on lesser frequently
• Which of the following is an example for the application of class D amplifier?
  ক

  Switch

  খ

  Torch

  গ

  Pulse generator

  ঘ

  Bulb
• For an ideal class D amplifier, what time is required in transitioning between states?
  ক

  0

  খ

  10

  গ

  100

  ঘ

  Infinite
• Why a class D amplifier is called as switching amplifier?
  ক

  Because it consists of a transistor

  খ

  Because of high power

  গ

  Because of less noise effect

  ঘ

  Because of binary switch