A conducting rod of length 2l is rotatin...

A conducting rod of length `2l` is rotating with constant angular speed `w` about its perpendicular bisector. A uniform magnetic field `B` exists parallel to the axis of rotation. The e.m.f. induced between two ends of the rod is

`Bomegal^(2)`

`(1)/(2) B omega l^(2)`

`(1)/(8) B omegal^(2)`

Zero

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