A short bar magnet in a horizontal palne has its axis aligned along the magnetic N-S direction. Null points are found on the axis of magnet at r distance from the centre of magnet. If the bar magnet is turned by 180^° where will the new null points be located?(from centre)

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Q. A short bar magnet placed in a horizontal plane has its axis aligned along the magnetic N - S direction. Null points are found on the axis of magnet at r distance from the center of magnet. If the bar magnet is turned by

180^{o}

, Where will the new null points be located?(From center).

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.)

Q. 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 center of the magnet?

Q. If the bar magnet is turned around by

180^{o}

, where will the new null points be located?

If the bar magnet in exercise 5.13 is turned around by 180º, where will the new null points be located?

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