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

Take Radio Receivers MCQ Test & Online Quiz to test your Knowledge

Below is the Radio Receivers MCQ test 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 take the Online Quiz from the Take Radio Receivers Quiz Button.

  • 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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