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9.A wire of length l in the form of a square loop lies in a plane normal to a magnetic field B0. If this wire is converted into a circular loop in time,then find the average induced emf.

Answer» 9.A wire of length l in the form of a square loop lies in a plane normal to a magnetic field B0. If this wire is converted into a circular loop in time,then find the average induced emf.


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