Physics Questions And Answers :: Modulation And Demodulation: part1



Basic Science : Modulation And Demodulation QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

1.One of the following of a carrier wave is varied is accordance with the intensity of the signal, in amplitude modulation

phase
amplitude
frequency
phase or frequency

2.Super-hetrodyne receiver has

maximum stability, selectivity and sensibility
maximum stability, selectivity and minimum sensibility
maximum sensibility, minimum selectivity and stability
minimum stability, selectivity and sensibility

3.Diode can be used as

an oscillator
an amplifier
a detector
a modulator

4.In TV, an electrical disturbance (noise) affects

neither the video nor the audio signals
only the audio signals
both the video and audio signals
only the video signals

5.One of the following converts sound waves into AF signals

loudspeaker
rectifier
microphone
antenna

More Modulation And Demodulation QUESTIONS AND ANSWERS available in next pages

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