MCQOPTIONS
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MCQOPTIONS
| 1. |
A conducting ring of radius r is rolling without slipping with a constant angular velocity \[\omega \](figure). If the magnetic field strength is B and is directed into the page then the emf induced across PQ is |
| A. | \[B\omega {{r}^{2}}\] |
| B. | \[\frac{B\omega {{r}^{2}}}{2}\] |
| C. | \[4B\omega {{r}^{2}}\] |
| D. | \[\frac{{{\pi }^{2}}{{r}^{2}}B\omega }{8}\] |
| Answer» B. \[\frac{B\omega {{r}^{2}}}{2}\] | |