If a compass needle be placed on the magnetic north pole of the earth, then how does it be have ? If a dip needle be placed at the same place, then what will be its behaviour?

Direction. In the following questions, a statement of assertion is followed by a statement of reason. While answering a question, you are required to choose the correct are out of the given four responses and mark it as (A)If both assertion and reason are true and reason is the correct explanation of the assertion, (B) if both assertion and reason are true but reason is not correct explanation of the assertion. (C) if assertion is true, but reason if false, (D) if both assertion and reason are false Assertion : If a compass needle be kept at magnetic north pole of the earth, the compass needle may stay in any direction. Reason : Dip needle is vertical at the north pole of the earth.

What is the expected value of dip at magnetic poles of the earth?

A magnet is placed with its north pole towards north of the earth. Predict the position of the neutral points.

A magnet is placed with its north pole towards south of the earth. Predict the position of the neutral points.

At a certain location in Africa, a compass points 12^@ west of the geographic north. The north tip of the magnetic needle of a dip circle placed in the plane of magnetic meridian points 60^@ above the horizontal. The horizontal component of the earth’s field is measured to be 0.16 G. Specify the direction and magnitude of the earth’s field at the location.

Why does a compass needle get deflected when brought near bar magnet?

What is triple fusion ? How does it take place ?