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Two students hold a long wire and rotate it across the earth's magnetic field so that the wire traces a circular path of radius 1.2 m. The motional emf produced in the rope is then measured on a voltmeter. If the angular frequency of rotation is w = 12 rad.s-1, calculate the maximum possible motional emf in the wire. (Use B = 0.3 G = 0.3Ax10^-4 T for the Earth's magnetic field.)

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