At a place, the horizontal component of earth’s magnetic field is B – InterviewSolution

1.

At a place, the horizontal component of earth’s magnetic field is B and angle of dip is 60°. What is the value of horizontal component of the earth’s magnetic field at equator.

Answer»

Here, BH = B and δ = 60°

We know that

B_H = B_E cos δ

B = B_E cos 60°

⇒ B_E = 2B

At equator δ = 0°

∴ B_H = 2B cos 0° = 2B

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