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A point is situated at a certaim distan...

A point is situated at a certaim distance along a line making an angle of `30^(@)`with magnetic equator.The direction of magnetic induction at that point is

A

`40^(@) 54'`

B

`40^(@) 45'`

C

`40^(@) 32'`

D

`40^(@) 44'`

Text Solution

Verified by Experts

The correct Answer is:
A
`phi=tan^(-1)((1)/(2)tantheta)=tan^(-1)((1)/(2)tan60)`
`40^(@)54'`
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