Multistage Amplifier MCQ

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

• The total gain of a multistage amplifier is less than the product of the gains of individual stages due to ___________
  ক

  Power loss in the coupling device

  খ

  Loading effect of the next stage

  গ

  The use of many transistors

  ঘ

  The use of many capacitors
• Gain of an amplifier usually expressed in db because _______________
  ক

  It is a small unit

  খ

  Calculations become easy

  গ

  Human ear response is logarithmic

  ঘ

  Gain is reduced
• Which transformer is used for impedance matching in transistor coupled amplifier?
  ক

  step-up

  খ

  step-down

  গ

  same turn ratio

  ঘ

  different turn ratio
• For extremely low frequencies, RC coupling is not used because of ___________
  ক

  There is considerable power loss

  খ

  There is a hum in the output

  গ

  Electrical size of the coupling capacitor

  ঘ

  Low efficiency
• If a three stage amplifier has individual stage gains of 10db, 6db and 15db; then the total gain in db is ______
  ক

  600db

  খ

  24db

  গ

  14db

  ঘ

  31db
• The voltage gain is practically expressed in _______
  ক

  db

  খ

  volts

  গ

  as a number

  ঘ

  ampere
• Which of the following is an advantage of RC coupling scheme?
  ক

  Good impedance matching

  খ

  Economy

  গ

  High efficiency

  ঘ

  Frequency response
• A radio receiver has how many stages of amplification?
  ক

  One

  খ

  Two

  গ

  Three

  ঘ

  More than one
• Why is RC coupling confined to low power applications?
  ক

  Due to large value of coupling capacitor

  খ

  Low efficiency

  গ

  Large number of components

  ঘ

  Due to is frequency response
• What is the purpose of RC or transformer coupling?
  ক

  To block a.c.

  খ

  To separate bias of one stage from another

  গ

  Increase thermal stability

  ঘ

  Increase Efficiency
• The frequency response of transformer coupling is ________
  ক

  Good

  খ

  Very Good

  গ

  Excellent

  ঘ

  Poor