Q.
The angle of dip at a place is 40.6o and the intensity of the vertical component of the earth's magnetic field is 6 x 10-5T. The total intensity of the earth's magnetic field at this place is sin40.60=0.65
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a
7 x 10-5 T
b
6 x 10-5 T
c
5 x 10-5 T
d
9.2 x 10-5 T
answer is D.
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Detailed Solution
From the relation, BV=B sinϕB=BVsinϕ=6 x 10-5sin 40.6o=6 x 10-50.65=9.2 x 10-5 T
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