5. In the Geomagnetic field, Vertical and Horizontal fields are equal then calculate the magnetic latitude?
Solution:
\tan
i=2 \tan \phi ---(1)
i=
magnetic inclination or dip
φ
= magnetic latitude
\tan
i=\frac{V}{H}=\frac{Vertical field}{Horizontal field}
From
given solution,
V=H
\tan
i =1 ---(2)
i=\arctan(1)=45^{0}
Substitute
eq (2) in eq(1)
2
\tan \phi=1
\tan
\phi=\frac{1}{2}
Magnetic latitude( \phi )=\arctan
(0.5)=26.56^{0}
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