Figure shows a straight wire of length l...

Figure shows a straight wire of length l carrying a current i. Find the magnitude of magnetic field produced by the current at point P.

`(sqrt(2)mu_(0)i)/(3pi1)`

`(sqrt(2)mu_(0)i)/(8pi1)`

`(mu_(0)i)/(2pi1)`

`(sqrt(2)mu_(0)i)/(pil)`

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