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At the magnetic North Pole of the Earth, what is the value of the angle of dip?

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in Physics – Class 12 by (135k points)
At the magnetic North Pole of the Earth, what is the value of the angle of dip?

(a) Zero

(b) Minimum

(c) Infinity

(d) Maximum

The question was asked during an interview.

This question is from Earth’s Magnetism topic in portion Magnetism and Matter of Physics – Class 12

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Best answer
Right option is (d) Maximum

To explain I would say: Angle of dip is 90^o at geographical North Pole because attraction on the North Pole of needle is very strong and the needle remains in vertical plane. At the magnetic equator, the needle will point horizontally, i.e. dip angle is 0^o. As you move from the magnetic equator towards the magnetic pole, the angle increases in the northern hemisphere. So, the angle of dip is maximum.

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