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A closed circular loop of 200 turns of m...

A closed circular loop of `200` turns of mean diameter `50 cm &` having a total resistance of `10 Omega` is placed with its plane at right angle to a magnetic field of strength `10^(-2)` Tesla.Calculate the quantity of electric charge passed through it when the coil is turned through `180^(@)` about an axis in its plane.

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The correct Answer is:
`25pixx10^(-3)C=0.078 C`
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