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  3. Physics
  4. 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 two ends of the rod is

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Q. A rod of length $l$ 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 two ends of the rod is

NTA AbhyasNTA Abhyas 2020

Solution:

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Induced emf is generated between centre and end, and at two end. Potential will be same, hence, no potential difference is produced.