Question: A circular wire loop of radius rr = 1 7 cmcm is immersed in a uniform magnetic field BB = 0 . 3 2 0

A circular wire loop of radius rr =17 cmcm is immersed in a uniform magnetic field BB =0.320 TT with its plane normal to the direction of the field.If the field magnitude then decreases at a constant rate of 1.9102 T/sT/s , at what rate should rr increase so that the induced emf within the loop is zero?

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