A loop of flexible conducting wire of length \( l \) lies in magnetic field of \( B \) normal to...
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0A loop of flexible conducting wire of length \( l \) lies in magnetic field of \( B \) normal to plane of loop. A current \( I \) is passed through loop. The tension developed in wire to open up is
(A) \( \frac{\pi}{2} B I l \)
(B) \( \frac{B l l}{2} \)
(C) \( \frac{B l l}{2 \pi} \)
(D) BIl
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