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[" A rod of length I rotates with a smal...

[" A rod of length I rotates with a small but uniform angular velocity "omega" about its perpendicular "],[" bisector.A uniform magnetic field "B" exists parallel to the axis of rotation.The potential "],[" difference between the centre of the rod and an end is "],[[" (A) Zero "y," (B) ",(1)/(8)omega Bl," (C) "(1)/(2)omega BI^(2)," (D) "B omega l^(2)]]

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