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At place on earth, the vertical component of earth’s magnetic field is √3 times

At place on earth, the vertical component of earth’s magnetic field is √3 times its horizontal component. The angle of dip at this place is …….

Options

(a) 60⁰
(b) 30⁰
(c) 45⁰
(d) 0⁰

Correct Answer:

60⁰

Explanation:

As vertical component of Earth’s magnetic field is Bᵥ = √3 Bʜ

Angle of dip at any place is a given by, tan δ = Bᵥ / Bʜ = Bᵥ = √3 Bʜ / Bʜ = √3

Then, δ = tan⁻¹ (√3) = 60⁰

JK2013
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