If a bar magnet is cut lengthwise into two parts, 4 poles will be formed.
The period of oscillation of a freely suspended long bar magnet is 4 seconds. If it is cut into two equal parts lengthwise, then the time period of each part will be
If a bar magnet is cut lengthwise into two parts, how many poles will be formed?
A bar magnet is cut into three parts. How many north poles will we get?