MCQOPTIONS
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| 1. |
A current carrying coil is placed with its axis perpendicular to N-S direction. Let horizontal component of earth's magnetic field be \[{{H}_{0}}\] and magnetic field inside the loop be H. If a magnet is suspended inside the loop, it makes angle \[\theta \] with H. Then \[\theta \]= |
| A. | \[{{\tan }^{-1}}\left( \frac{{{H}_{0}}}{H} \right)\] |
| B. | \[{{\tan }^{-1}}\left( \frac{H}{{{H}_{0}}} \right)\] |
| C. | \[\cos e{{c}^{-1}}\left( \frac{H}{{{H}_{0}}} \right)\] |
| D. | \[{{\cot }^{-1}}\left( \frac{{{H}_{0}}}{H} \right)\] |
| Answer» B. \[{{\tan }^{-1}}\left( \frac{H}{{{H}_{0}}} \right)\] | |