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An EM wave radiates outwards from a dipo...

An EM wave radiates outwards from a dipole antenna, with `E_(0)` as the amplitude of its electric field 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
Electromagnetic waves emitted from dipole antenna propagate in outward direction in form of rays.
At very large distance amplitude of electromagnetic wave is inversely proportional to its distance from the source or antenna.
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