# The physical size of the transmitter and receiver antenna in a communication system are : Option 1)Independent of both carrier and modulation frequency Option 2)Inversely proportional to carrier frequencyOption 3)Inversely proportional to modulation frequency Option 4) proportional to carrier frequency

$Size \:\:of \:\: transmitter \:\:and \:\:receiver \:\: antenna \:\:\propto \frac{1}{f_{c}}$

Option 1)

Independent of both carrier and modulation frequency

Option 2)

Inversely proportional to carrier frequency

Option 3)

Inversely proportional to modulation frequency

Option 4)

proportional to carrier frequency

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