MCQOPTIONS
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MCQOPTIONS
| 1. |
A bar magnet of magnetic moment \[3.0\,A-{{m}^{2}}\] is placed in a uniform magnetic field of \[2\times {{10}^{-5}}T\].If each pole of the magnet experiences a force of \[6\times {{10}^{-4}}N\], the length of the magnet is |
| A. | 0.5 m |
| B. | 0.3 m |
| C. | 0.2 m |
| D. | 0.1 m |
| Answer» E. | |