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The magnitude of the magnetic field (B) ...

The magnitude of the magnetic field (B) due to loop ABCD at the origin (O) is

A

zero

B

`(mu_(0)(b-a))/(24ab)`

C

`(mu_(0)I)/(4pi)[(b-a)/(ab)]`

D

`(mu_(0)I)/(4pi)[2(b-a)+(pi)/(3)(a+b)]`

Text Solution

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The correct Answer is:
B
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