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An EM wave radiates out wards from a dip...

An `EM` wave radiates out wards from a dipole antenna with `E_(0)` as the amplitude of its electric filed vector. The electric field `E_(0)` which transports significant energy from the source falls off as

A

`(1)/(r^(3))`

B

`(1)/(r^(2))`

C

`(1)/(r)`

D

remains constant

Text Solution

Verified by Experts

The correct Answer is:
C
From a dipole antenna, the electromagnetic waves are radiated outwards. The amplitude of electric field vector `E_(0)` which transports significant energy from the source falls off inversely as the distance r from the antenna i.e., `E_(0)prop(1)/(r)`.
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