A) is always zero.
B) is always positive
C) is always negative
D) can be positive or negative or zero.
Correct Answer: D
Solution :
| Option [d] is correct. |
| Explanation: Angle of inclination or dip is the angle between the direction of intensity of total magnetic field of the Earth and a horizontal line in the magnetic meridian. |
| If the total magnetic field of the Earth is modelled by a point magnetic dipole at the centre, then it is in the same plane of geographical equator, thus the angle of dip on the geographical equator will be different at different points. It may be positive or negative or may be zero at some points. |
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