MCQOPTIONS
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MCQOPTIONS
| 1. |
A current of 2 amp. flows in a long, straight wire of radius 2 mm. The intensity of magnetic field on the axis of the wire is [MP PET 2001] |
| A. | \[\left( \frac{{{\mu }_{o}}}{\pi } \right)\times {{10}^{3}}\]Tesla |
| B. | \[\left( \frac{{{\mu }_{o}}}{2\pi } \right)\times {{10}^{3}}\]Tesla |
| C. | \[\left( \frac{2{{\mu }_{o}}}{\pi } \right)\times {{10}^{3}}\]Tesla |
| D. | Zero |
| Answer» E. | |