First slide

Magnetic elements of Earth

Question

At a place, if the earth’s horizontal and vertical components of magnetic fields are equal, then the angle of dip will be

Easy

A

$30^{0}$
B

$90^{0}$
C

$45^{0}$
D

$0^{0}$

Solution

$A n g l e o f d i p (\emptyset) i s g i v e n b y, t a n \emptyset = \frac{B_{V}}{B_{H}};$
$G i v e n B_{H} = B_{V} ∴ \emptyset = 45^{0}$

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