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As radio waves of low frequencies cannot...

As radio waves of low frequencies cannot be transmitted to long distances, a high frequency carrier signal is superposed on it. This process is called

A

Amplification

B

Rectification

C

Modulation

D

Oscillation

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UNITED BOOK HOUSE-QUESTION PAPER 2015-EXERCISE
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  5. If a light of wavelength lambda falling on a sibgle slit of width 'a d...

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  9. an ac having a peak value of 1.41 ampere is used to heat a wire. A DC ...

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  10. IF current I flows in a coil of area A and number of turns n, the magn...

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