Q. A conducting rod rotates with a constant angular velocity
′ω′ about the axis which passes through point
′O′ and perpendicular to its length. A uniform magnetic field
′B′ exists parallel to the axis of the rotation. Then potential difference between the two ends of the rod is :
![1023598_3d7757d92e4c4ae1ae880f6bb1d20f5c.PNG](https://search-static.byjusweb.com/question-images/toppr_ext/questions/1023598_3d7757d92e4c4ae1ae880f6bb1d20f5c.PNG)