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A regular polygon of n sides is formed by bending a wire of total length 2πr which carries a current i. If number of sides of a polygon so formed has infinite sides, then the magnetic field at the centre of a circular current is μ0imR. The value of m is

Answer» A regular polygon of n sides is formed by bending a wire of total length 2πr which carries a current i. If number of sides of a polygon so formed has infinite sides, then the magnetic field at the centre of a circular current is μ0imR. The value of m is


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