MCQOPTIONS
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MCQOPTIONS
| 1. |
A square loop of side l is carrying current I, as shown. Find the magnetic field induction at the centre of the loop. |
| A. | \(\frac{{{\mu _0}i}}{{2\pi l}}\) |
| B. | \(8\sqrt 2 \frac{{{\mu _0}i}}{{4\pi l}}\) |
| C. | \(\sqrt 2 \frac{{{\mu _0}i}}{{\pi l}}\) |
| D. | Zero |
| Answer» C. \(\sqrt 2 \frac{{{\mu _0}i}}{{\pi l}}\) | |