JEE Main20199 Apr 2019Evening ShiftPhysicsCommunication SystemActual

The physical sizes of the transmitter and receiver antenna in a communication system are:

Options

Aproportional to carrier frequency
Bindependent of both carrier and modulation frequency
Cinversely proportional to modulation frequency
Dinversely proportional to carrier frequency

Correct answer

D. inversely proportional to carrier frequency

Step-by-step solution

The physical sizes of transmitter and receiver antenna are directly proportional to carrier wave wavelength or inversely proportional to carrier wave frequency.

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