In the process of modulation – McqOptions

MCQOPTIONS

1.	In the process of modulation
A.	Some characteristics of a high frequency sine wave are varied in accordance with the instantaneous value of a low frequency signal
B.	Parameters of carrier wave are held constant
C.	For proper and efficient radiation, the receiving antennas should have heights comparable to half-wavelength of the single received
D.	The signal is converted first within the range of 10 Hz to 20 Hz
Answer» B. Parameters of carrier wave are held constant

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