Receiver MCQ

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

• A heterodyne frequency changer is ________
  ক

  Mixer

  খ

  Demodulator

  গ

  Modulator

  ঘ

  Local Oscillator
• Superheterodyne principle provides selectivity at ________
  ক

  RF stage

  খ

  IF stage

  গ

  Demodulating Stage

  ঘ

  Audio Stage
• Figure of merit is ________
  ক

  Ratio of output signal to noise ratio to input signal to noise ratio

  খ

  Ratio of input signal to noise ratio to output signal to noise ratio

  গ

  Ratio of output signal to input signal to a system

  ঘ

  Ratio of input signal to output signal to a system
• What is the function of radio receiver?
  ক

  to detect and amplify information signal from the carrier

  খ

  to modulate a message signal

  গ

  to produce radio waves

  ঘ

  to convert one form of energy into other
• What is the use of a varactor diode in radio receiver?
  ক

  Demodulation

  খ

  Mixing

  গ

  Multiplexing

  ঘ

  Tuning
• Process of recovering information signal from received carrier is known as ________
  ক

  Sensitivity

  খ

  Selectivity

  গ

  Demodulation

  ঘ

  Fidelity
• Which oscillator is used as a local oscillator in radio receiver?
  ক

  Wien-bridge

  খ

  Hartley

  গ

  Crystal

  ঘ

  Phase Shift
• In a receiver, noise is usually developed at ________
  ক

  Audio stage

  খ

  Receiving antenna

  গ

  RF stage

  ঘ

  IF stage
• What is Fidelity?
  ক

  Equally amplifies all the signal frequencies at receiver

  খ

  Ability of receiver to select wanted signal from various incoming signal

  গ

  Minimum magnitude of input signal required to produced a specified output

  ঘ

  Ability to amplify weak signals
• Demodulation is done in ________
  ক

  Channel

  খ

  Receiver

  গ

  Receiving antenna

  ঘ

  Transducer