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At a certain place the angle of dip is 3...

At a certain place the angle of dip is `30^@` and the horizontal component of earth's magnetic field is `3.2 xx 10^(-5)T`. Earth's total magnetic field at the place is

A

`(3.2)/(sqrt3) xx 10^(-5)`

B

`(6.4)/(sqrt(3)) xx 10^(-5) T `

C

`3.2 xx 10^(-5) T`

D

`6.4 xx 10^(-5) T`

Text Solution

Verified by Experts

The correct Answer is:
B
`B_E = (B_H)/(cos delta) = (3.2xx10^(-15))/(cos 30^(@)`
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