If we break a bar magnet into two pieces, how many total south poles are formed?
A bar magnet is cut into three parts. How many north poles will we get?
Which of the following is not attracted by a magnet?
There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic north direction. It also attracts items made of similar materials. What can this bar be considered analogically similar to?
A bar magnet
An electric bulb
A water tank
Name any three devices which use permanent magnets. Name some sources of direct current. [3 MARKS]
- magnetic substances
- anything close to it
- charged substances
- only iron
If two horse shoe magnets of equal strengths are connected as shown in the figure then where will be the new magnetic north-pole?
near point 1
near point 2
near point 3
there will be no magnetic north-pole.
A magnet attracts
iron and steel
If a bar magnet's head '1' is brought closer to another bar magnet's head '2', it was observed that they repel each other. What can be the poles of part 1 and part 2?