MCQ
A rod of legth l rotates with a 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:
- ✓$\text{zero}$
- B$\frac{1}{2}\text{Bl}\omega^2$
- C$\text{Bl}\omega ^2$
- D$2\text{B}\text{l}\omega^2$
