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Out of the following options which one ...

Out of the following options which one one can be used to produce a propaagating electromagnetic wave?

A

A stationary charge

B

A chargeless particle

C

An accelerating charge

D

A charge moving at constant velocity

Text Solution

Verified by Experts

The correct Answer is:
C

Electric charge at rest has electric field in the region around it, but no magnetic field. Whereas,a moving charge produces both the electric and magnetic fields. If a charge is moving with a constant velocity, then the electric and magnetic fields will not change with time, hence no EM wave will be produced. But, if the change is moving with a non-zero acceleration, then both electric and magnetic filed will change with space and time, it then produces EM wave.
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