Figure shows a circular wire loop of radius \( a \), carrying a current \( i \), placed in a per...

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Figure shows a circular wire loop of radius \( a \), carrying a current \( i \), placed in a perpendicular magnetic field \( B \). The tension in the wire is:
(a) Bia
(b) \( 2 B \) i \( a \)
(c) \( 5 B i a \)
\( P \)
W
(d) None of these
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