Question:
Let the magnetic field on the earth be modelled by that of a point magnetic dipole at the centre of the earth. The angle of dip at a point on the geographical equator
(a) is always zero
(b) can be zero at specific points
(c) can be positive or negative
(d) is bounded
Solution:
(b) can be zero at specific points
(c) can be positive or negative
(d) is bounded
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