A freely floating needle slightly gets inclined to the horizontal anywhere except on the equator. It is called.
ADeclination
BDip
CLocal attraction
DSecular variation
ADeclination
BDip
CLocal attraction
DSecular variation
Related Questions:
Which of the following situations is/are possible?
(a) Magnetic field lines can be parallel to each other.
(b) Magnetic field lines can be concentric circles.
(c) Magnetic field lines can intersect each other.