At certain place, the horizontal component of earth's magnetic field is $3.0 G$ and the angle dip at that place is $30^{o}$ . The magnetic field of earth at that location

4.5 G

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5.1 G

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3.5 G

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6.0 G

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Solution

The correct option is C $3.5 G$
Given : $B_{H} = 3.0$ $G$ $δ = 30^{o}$
Magnetic field of earth, $B = \frac{B_{H}}{c o s δ}$
$∴$ $B = \frac{3.0}{c o s 30^{o}} = 3.5$ $G$

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At certain place, the horizontal component of earth's magnetic field is 3.0G and the angle dip at that place is 30o. The magnetic field of earth at that location

The correct option is C 3.5GGiven : BH=3.0 G δ=30oMagnetic field of earth, B=BHcosδ∴ B=3.0cos30o=3.5 G

At certain place, the horizontal component of earth's magnetic field is $3.0 G$ and the angle dip at that place is $30^{o}$ . The magnetic field of earth at that location

The correct option is C $3.5 G$
Given : $B_{H} = 3.0$ $G$ $δ = 30^{o}$
Magnetic field of earth, $B = \frac{B_{H}}{c o s δ}$
$∴$ $B = \frac{3.0}{c o s 30^{o}} = 3.5$ $G$