Modulation And Demodulation MCQ
Test your knowledge with important Modulation And Demodulation MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Modulation And Demodulation MCQs on Bissoy. Bissoy App
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The IF is 455 kHz. If the radio receiver is tuned to 855 kHz, the local oscillator frequency is ___________
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In a TRF radio receiver, the RF and detection stages are tuned to ___________
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The letters AVC stand for ___________
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Overmodulation results in ___________
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In superhetrodyne receiver, the input at mixer stage is ___________
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In radio transmission, the medium of transmission is ___________
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In a radio receiver, we generally use ___________ oscillator as a local oscillator
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In an AM wave useful power is carrier by ___________
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When the modulating signal controls the frequency of the carrier, we get___________
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In India, ___________ modulation is used for radio transmission
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The signal voltage induced in the aerial of a radio receiver is of the order of ___________
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If Amin = 40 and Amax = 60, what is the percentage of modulation?
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The function of ferrite antenna is to ___________
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The diode detector in an AM radio receiver is usually found ___________
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In a radio receiver, noise is generally developed at ___________
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Modulation refers to a low-frequency signal controlling the ___________
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As the modulation level is increased, the carrier power ___________
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In an AM wave, the majority of the power is in ___________
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The major advantage of FM over AM is ___________
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A 50 kW carrier is to be amplitude modulated to a level of 85%. What is the carrier power after modulation?
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In amplitude modulation, the ___________ of carrier is varied according to the strength of the signal.
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A 100 V carrier is made to vary between 160 V and 40 V by the signal. What is the modulation factor?
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In amplitude modulation, bandwidth is ___________ the audio signal frequency
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If a radio receiver amplifies all the signal frequencies equally well, it is said to have high ___________
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A high Q tuned circuit will permit an amplifier to have high ___________
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The superhetrodyne principle provides selectivity at ___________ stage
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Most of the amplification in a superhetrodyne receiver occurs at ___________ stage
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In TV transmission, sound signal is ___________ modulated
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In TV transmission, picture signal is ___________ modulated
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Man made noise are ___________ variations.