A small square loop of `n_(1)` turns and side l is placed at the centre of a large coplanar, circular loop of radius r( r gt gt l) and `n_(2)` tuns. The mutual inductacne of the combination isA. `(mu_(0)n_(1)n_(2)pir^(2))/(l)`B. `(mu_(0)n_(1)n_(2)l^(2))/(2r)`C. `(mu_(0)n_(2)^(2)l^(2))/(2r)`D. `(mu_(0)n_(1)^(2)l)/(2r)`

A small square loop of `n_(1)` turns and side l is placed at the centr

1.	A small square loop of `n_(1)` turns and side l is placed at the centre of a large coplanar, circular loop of radius r( r gt gt l) and `n_(2)` tuns. The mutual inductacne of the combination isA. `(mu_(0)n_(1)n_(2)pir^(2))/(l)`B. `(mu_(0)n_(1)n_(2)l^(2))/(2r)`C. `(mu_(0)n_(2)^(2)l^(2))/(2r)`D. `(mu_(0)n_(1)^(2)l)/(2r)`
Answer» Correct Answer - B

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