A current loop A B C D is held fixed on the plane of the paper as shown in the figure. The arcs B C (radius =b ) and D A (radius =a ) of the loop are joined by two straight wires A B and C D. A steady current I is flowing in the loop. Angle made by A B and C D at the origin O is 30^{∘}. Another straight thin wire steady current I_1 flowing out of the plane of the paper is kept at the origin.Due to the presence of the current I_1 at the origin:

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Examsnet · Accepted Answer

Correct Answer is : The forces on AD are BC are zero.

AIEEE 2009 Solved Paper