Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator is
A. always zero
B. positive, negative or zero
C. unbounded
D. always negative
Answer:B
Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator is
A. always zero B. positive, negative or zero C. unbounded D. always negative