MCQOPTIONS
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| 1. |
A uniform magnetic field of induction B is confined to a cylindrical region of radius R. The magnetic field is increasing at a constant rate of \[\frac{dB}{dt}\] (tesla/second). An electron of charge q, placed at the point P on the periphery of the field experiences an acceleration. |
| A. | \[\frac{BR}{(\sqrt{2}+1)m}\] towards left |
| B. | \[\frac{1}{2}\,\frac{eR}{m}\,\frac{dB}{dt}\] towards left |
| C. | \[\frac{eR}{m}\frac{dB}{dt}\] towards left |
| D. | zero |
| Answer» C. \[\frac{eR}{m}\frac{dB}{dt}\] towards left | |