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Question

Physics Question on the earth's magnetic field

At a place, the horizontal component of earth's magnetic field is 4×10−4T4 \times 10^{-4}T and angle of dip is 60°. The value of horizontal component of earth's magnetic field at the equator is :

A

√2×10−4T√2 × 10^{-4} T

B

2×10−4T2×10^{-4}T

C

Zero

D

8×10−4T8×10^{-4}T

Answer

8×10−4T8×10^{-4}T

Explanation

Solution

The correct option is (D): 8×10−4T8×10^{-4}T