MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
A conducting ring of radius r with a conducting spoke OA is in pure rolling on a horizontal surface in a region having a uniform magnetic field B as shown, v being the velocity of the centre of the ring. Then the potential difference \[{{V}_{0}}-{{V}_{A}}\]is: |
| A. | \[\frac{Bvr}{2}\] |
| B. | \[\frac{3Bvr}{2}\] |
| C. | \[\frac{Bvr}{2}\] |
| D. | \[\frac{-3Bvr}{2}\] |
| Answer» D. \[\frac{-3Bvr}{2}\] | |