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"Need for modulation" arises due to whic...

"Need for modulation" arises due to which of the following reasons?

A

Power radiated by an antenna `prop ((1)/(lamda))^(2)`

B

It allows multiple user-friendly communication

C

Height of antenna required `prop ((lamda)/(4))`

D

All of these

Text Solution

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The correct Answer is:
D
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