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A current -carrying circular coil is ben...

A current -carrying circular coil is bent so as to convert it into a double loop. Both the loop are concentric and are carrying current in the same direction . If Initially , B is the magnetic field at the centre of the coil, then finally magnetic field at the central will be

A

zero

B

B

C

2 B

D

4 B

Text Solution

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The correct Answer is:
D
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