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A closed coil having 50turns, area 300cm...

A closed coil having 50turns, area `300cm^(2)` and resitance `40Omega` is h eld at right angles to uniform field of induction 0.02T. If it is then turned through an angle of `30^(@)` about an axis at right angles to the field, find the charge flown through the coil.

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