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A wire in the form of a square of side '...

A wire in the form of a square of side `'2m'` carries a current `2A`. Then the magentic induction at the centre of the square wire is `(` magnetic permeability of free space `=mu_(0))`

A

`(mu_(0))/(2pi)`

B

`(mu_(0)sqrt(2))/(pi)`

C

`(2sqrt(2)mu_(0))/(pi)`

D

`(mu_(0))/(sqrt(2pi))`

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