A circular loop of radius a, carrying a current i, is placed in a two-dimensional magnetic field. The centre of the loop coincides with the centre of the field. The strength of the magnetic field at the periphery of the loop is B. Find the magnetic force on the wire

Text Solution
Verified by ExpertsThe correct answer is:
D


Magnetic field = vector B radially outwards
Current => 'i'


perpendicular to the plane of the figure going inside.
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