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A current carrying circular coil is bent...

A current carrying circular coil is bent so as to convert it into a double loop, both the loops being concentric and are carrying current in the same direction. If B is the initial magnetic field at the centre, the final magnetic field at the centre will be

A

zero

B

B

C

2B

D

4B

Text Solution

Verified by Experts

The correct Answer is:
D
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