Q 1827534481.     A short bar magnet placed in a horizontal

plane has its axis aligned along the magnetic

north-south direction. Null points are found

on the axis of the magnet at 14 cm from the

centre of the magnet. The earth's magnetic

field at the place is 0.36 G and the angle of

dip is zero. What is the total magnetic field

on the normal bisector of the magnet at the

same distance as the null-point (i.e., 14 cm)

from the centre of the magnet? (At null

points, field due to a magnet is equal and

opposite to the horizontal component of

earth's magnetic field).