MCQOPTIONS
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MCQOPTIONS
| 1. |
The earth?s magnetic field lines resemble that of a dipole at centre of the earth. If the magnetic moment of this dipole is close to\[8\times {{10}^{22}}A{{m}^{2}}\], the value of earth?s magnetic field near the equator is close to (radius of the earth \[=6.4\times {{10}^{6}}m\]) |
| A. | 0.6 Gauss |
| B. | 1.2 Gauss |
| C. | 1.8 Gauss |
| D. | 0.32 Gauss |
| Answer» B. 1.2 Gauss | |