At a certain place, the angle of dip is 60 ° and the horizontal component of the earth's magnetic field B H is 0 .8 × 10 - 4 T . The earth's overall magnetic field is

Question

At a certain place, the angle of dip is 60 ° and the horizontal component of the earth's magnetic field B H is 0 .8 × 10 - 4 T . The earth's overall magnetic field is, 1 .5 × 10 - 4 T, 1.6 × 10 - 3 T, 1.5 × 10 - 3 T, 1.6 × 10 - 4 T

MARKS App · Accepted Answer

Given, B H = 0.8 × 10 - 4 T θ = 60 o B e = ? We know that, B H = B e cos ⁡ θ 0.8 × 10 - 4 = B e cos ⁡ 60 o B e = 0.8 × 10 - 4 1 2 = 1 .6 × 10 - 4 T

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