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An infinite straigh conductor carrying c...

An infinite straigh conductor carrying current 2 I is split into a loop of radius r as shown in fig. the magnetic field at the centre of the coil is

A

`(mu_(0))/(4 pi)(2(pi+1))/(r)`

B

`(mu_(0))/(4 pi)(2(pi - 1))/(r)`

C

`(mu_(0))/(4pi)((pi+1))/(r)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
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