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Figure shows a long and thin strip of wi...

Figure shows a long and thin strip of width b which carries a current `I`. Find magnetic induction due to the current in strip at point P located at a distance `r` from the strip in the plane of strip as shown in figure-4.35.

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The correct Answer is:
`[(mu_(0)I)/(2 pi b) 1n ((r + b)/(r))]`
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