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Question
A coil in shape of an equilateral triangle if side '|' is suspended between the pole pieces of a permanent magnet such that the magnetic field B is in the plane of the coil. If due to a current I in the triangle, a torque τ acts on it, the side of the triangle is:
A coil in shape of an equilateral triangle if side '|' is suspended between the pole pieces of a permanent magnet such that the magnetic field B is in the plane of the coil. If due to a current I in the triangle, a torque τ acts on it, the side of the triangle is:
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Solution
The correct option is B
