In communications system, the process of superimposing a low frequency signal on a high frequency wave is known as

Repeater

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Attenuation

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Modulation

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Demodulation

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Solution

The correct option is B Modulation
When a signal is superimposed on a high frequency wave, which acts as a carrier by change its amplitude, frequency or phase it is known as modulation

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Similar questions

Q. The process of superimposing a low frequency signal on a high frequency wave is

Q. The process of superimposing signal frequency (i.e. audio wave) on the carrier wave is known as

The process of superimposing signal frequency (i.e. audio wave) on the carrier

wave is known as [AIIMS 1987]

Q. Assertion(A): To transmit low frequency audio signals over long distances, the audio signals are superimposed on a high frequency carrier signal.
Reason(R): Low frequency audio signals cannot be transmitted directly over long distances.

State three important factors showing the need for translating a low frequency signal into a high frequency wave before transmission.

Draw a sketch of a sinusoidal carrier wave along with a modulating signal and show how these are superimposed to obtain the resultant amplitude modulated wave.

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In communications system, the process of superimposing a low frequency signal on a high frequency wave is known as

The correct option is B ModulationWhen a signal is superimposed on a high frequency wave, which acts as a carrier by change its amplitude, frequency or phase it is known as modulation

The correct option is B Modulation
When a signal is superimposed on a high frequency wave, which acts as a carrier by change its amplitude, frequency or phase it is known as modulation