MCQOPTIONS
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MCQOPTIONS
| 1. |
On connecting a battery to the two corners of a diagonal of a square conductor frame of side \[a\] the magnitude of the magnetic field at the centre will be [MP PET 2002] |
| A. | Zero |
| B. | \[\frac{{{\mu }_{o}}}{\pi a}\] |
| C. | \[\frac{2{{\mu }_{o}}}{\pi a}\] |
| D. | \[\frac{4{{\mu }_{o}}i}{\pi a}\] |
| Answer» B. \[\frac{{{\mu }_{o}}}{\pi a}\] | |