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At a place on earth the horizontal compo...

At a place on earth the horizontal component of earth's magnetic field is 73.2 % times then its vertical component. The angle of dip at this place is .....

A

`30^@`

B

`45^@`

C

`60^@`

D

`90^@`

Text Solution

Verified by Experts

The correct Answer is:
A
`tan phi = (B_v)/( B_h)`
`therefore tan phi = (B_v)/(1.732 B_v) " "[because B_h = 1.732 B_V]`
`= (1)/(1.732) = (1)/(sqrt3) therefore tan phi = 30^@`.
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