UPTET Feb 2014, q149
0. The vertical component of Earth's magnetic field is zero at
- Option : D
- Explanation : Vertical component to Earth's magnetic field, B. B. = B sinθ.
where B = earth's magnetic field at a place Q = angle of dip
So, B. V. = 0 when θ = 0, i.e. at the magnetic equator.
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