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## A metallic rod of length â€˜Aâ€™ is tied to a string of length 2A and made to rotate with angular speed Ï‰ on a horizontal table with one end of the string fixed. If there is a vertical magnetic field â€˜Bâ€™ in the region, the e.m.f. induced across the ends of the rod is : - physics 2013

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