Questions
A circular coil of n t urns and radius r is placed in a uniform magnetic field B. Initially the plane of the coil is perpendicular to the field. The coil is rotated through 90o. The resistance of the coil is ONE OHM. The quantity of charge passing through the coil is
detailed solution
Correct option is A
Rate of change of flux=0−nπr2BΔt=−nπr2BΔtlnduced e.m.f. =−nπr2BΔt∴Q=∫idt=nπr2BΔt×1RΔt=nπr2BTalk to our academic expert!
Similar Questions
A conductor rod AB moves parallel to X-axis in a uniform magnetic field, pointing in the positive X-direction. The end A of the rod gets
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