1.

A square loop ABCD carrying a current i, is placed near and coplanar  with a long straight      conductor XY carrying a current I, the net force on the Loop will be:          

A. \[\frac{2{{\mu }_{0}}Ii}{3\pi }\]
B. \[\frac{{{\mu }_{0}}Ii}{2\pi }\]
C. \[\frac{2{{\mu }_{0}}IiL}{3\pi }\]          
D. \[\frac{{{\mu }_{0}}IiL}{2\pi }\]
Answer» B. \[\frac{{{\mu }_{0}}Ii}{2\pi }\]


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