Name the bird which undertakes migration from north pole to south pole and back .

The magnetic lines of force inside a bar magnet....... (a)are from the south pole to the north pole of the magnet (b)are from the north pole to the south pole of the magnet (c)do not exist (d)depend upon the area of crosssection of the bar magnet

Can we have a single north pole, or a single south pole?

Can we have a single north pole, or a single south pole?

Can we have a single north pole, or a single south pole?

Compare the direction of the magnetic field inside a solenoid with that of the field there if the solenoid is replaced by its equivalent combination of north pole and south pole.

Compare the direction of the magnetic field inside a solenoid with that of the field there if the solenoid is replaced by its equivalent combination of north pole and south pole.

Compare the direction of the magnetic field inside a solenoid with that of the field there if the solenoid is replaced by its equivalent combination of north pole and south pole.

In the Figure, identify the poles marked P and Q as north pole or south pole. Give reason.