Radio Receivers MCQ Test

  1. The first radio receivers invented by
  2. We should use ............. to prevent overloading of the IF amplifier in a receiver.
  3. Which of the following circuits can not demodulate SSB?
  4. ............ is not a useful quantity for comparing the noise performance of receivers.
  5. Why A notch filter is sometimes used in communication receivers?
  6. For which purpose EM 84 tube is used in radio receivers?
  7. What is the selectivity of a radio receiver?
  8. ............. does not happen in transistors?
  9. What happens, if the intermediate frequency is too low in a radio receiver?
  10. The local oscillator is tuned to a frequency ............... In a radio receiver.
  11. The selectivity of most receivers is determined largely by .......
  12. What does a transmitter serial current contain?
  13. What happens, if the intermediate frequency is too high in a radio receiver?
  14. Which of the following device has IF input but RF output in a receiver?
Radio Receivers MCQ

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Practice here the best Radio Receivers MCQ Questions that checks your basic knowledge of Radio Receivers. This Radio Receivers MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also download here the Radio Receivers MCQ PDF, completely free.

  • Marconi
  • Oliver Lodge
  • Alexander Popov
  • All of the above
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  • Squelch
  • Variable selectivity
  • Variable sensitivity
  • Double conversion
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  • Product modulator
  • Balance modulator
  • Phase discriminator
  • None of the above
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  • Noise figure
  • Noise temperature
  • Input noise voltage
  • Equivalent noise resistance
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  • Spread the bandwidth
  • Made selectivity more precise
  • Reduce receiver gain at some specific frequency
  • Increase receiver gain at some specific frequency
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  • Magic eye
  • RF amplifier
  • Audio amplifier
  • Full wave rectifier
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  • Its ability to suppress noise
  • Its ability to amplify weak signals
  • Its ability to reject adjacent unwanted signals
  • None of the above
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  • Shot noise
  • Flicker noise
  • Partition noise
  • Resistance noise
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  • Selectivity will be too sharp
  • Image-frequency rejection will improve
  • The frequency selectivity of the local oscillator will have to be lowered
  • All of the above
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  • Equal to incoming frequency
  • Lower than the incoming frequency
  • Higher than the incoming frequency
  • None of the above
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  • Sensitivity
  • Antenna direction
  • Characteristics of IF section
  • All of the above
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  • Audio frequencies
  • carrier frequencies
  • Radio frequencies
  • All of the above
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  • Selectivity will be poor
  • Tracking difficulties will be least
  • Adjacent channel rejection will improve
  • None of the above
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  • Loudspeaker
  • Demodulator
  • Audio amplifier
  • Frequency changer
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  • Stop oscillation
  • Improve selectivity
  • Increase bandwidth
  • None of the above
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  • Connect two transmitters to the same antenna
  • Feed more than one receiver from a single antenna
  • Connect a receiver and a transmitter to the same antenna
  • None of the above
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  • Improved image frequency rejection
  • Improved rejection of adjacent unwanted signals
  • Prevention of re-radiation of the local oscillator through the antenna of the receiver
  • All of the above
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  • Squelch
  • Double conversion
  • Variable sensitivity
  • Variable selectivity
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  • Produce radio waves
  • Modulate a message signal
  • Convert one form of energy into other
  • Detect and amplify information signal from the carrier
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