A dip needle in a plane perpendicular to...

A dip needle in a plane perpendicular to magnetic meridian will remain

horizontal

vertical

somewhere in between horizontal and vertical

none of these

Text Solution

Verified by Experts

The correct Answer is:

In the plane perpendicular to magnetic meridian, horizontal component of field is zero.
`B_(H) = B_(H) cos 90^(@) =0`
`B_(V) = B_(V)`
`:.` Only vertical component remains, so the dip needle will remain vertical.

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