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The value of the magnetic field inductio...

The value of the magnetic field induction at the centre in the given figure
will be (The coil is made of a uniform wire and is connected with two long straight wires. Assume `r` as the radius of coil).

A

`mu_0/(4 pi)((2pii)/r)`

B

`mu_0/(4 pi)(i/r)`

C

`mu_0/(4 pi)((2i)/r+(2 pi i)/r)`

D

Zero.

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