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# A metal rod of length 2 m is rotating with an angular velocity of 100 radiance / second in a plane perpendicular to a uniform magnetic field of 0.3 T. The potential difference between the ends of rod is :

$\begin {array} {1 1} (1)\;30\: V & \quad (2)\;40\: V \\ (3)\;60\: V & \quad (4)\;600\: V \end {array}$

Ans : (3)
60 V