A rod of length l rotates with a small but uniform angular velocity ω 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
(b) 18ωBl2
(c) 12ωBl2
(d) Bωl2.
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(a) zero is the ans of your question
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