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if we move a magnet at a velocity v towards a coil,an electric field is generated around the magnet. but if we move the coil with the same relative velocity v towards the magnet ,then there is no electric field generated around the magnet but a current flows in the coil......... doesn,t this violate the principle of theory of relativity as as long as the relative velocity is same , the result should also be the same, no matter what do we move.

if we move a magnet at a velocity v towards a coil,an electric field is generated around the magnet. but if we move the coil with the same relative velocity v towards the magnet ,then there is no electric field generated around the magnet but a current flows in the coil.........

doesn,t this violate the principle of theory of relativity as as long as the relative velocity is same , the result should also be the same, no matter what do we move.

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1 Answers

Ashish Kumar
askIITians Faculty 32 Points
10 years ago
When you move the coil towards the magnet, the magnetic flux associated with the coil will only change and electrci field will be produced around it and current flows but flux around the magnet will still be the same and no electric field will be induced initially.But when current starts flowing in the coil it will produce a magnetic field which will cause the flux to change around the magnet as the coil is moved and electric field will be induced.Changing magnetic flux produces electric field but when there is a conductor present this electric field produces current in it.

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