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A tangent galvanometer ha s60 turns of w...

A tangent galvanometer ha s60 turns of wire of mean diameter 20 cm . Find the reduction factor of the tangent galvanometer at a place where the horizontal component of earth's magnetic field `0.32 xx 10^(-4) T`.

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The correct Answer is:
0.085 A
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SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
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