Question

please tell me fast ​

Answer 1

Answer:

1) Bring both the bars closer to each other and, if in case there is repulsion in between the bars, then both bars are magnetised. If the bars get attracted to each other, then only 1 bar is magnetised.

2)Substances that are attracted by a magnet are called magnetic substances. Example: Iron, cobalt, nickel, etc.

Substances that are not attracted by a magnet are called non-magnetic materials. Example: Aluminium, copper, wood, etc.

3)Magnet was first discovered by a shepherd named Megnes, who lived in Megnesia, Greece.

4)The uses of magnet are

: A magnet is used in a compass to show the direction

: Powerful magnets are used to lift objects

: Magnets are used in generators and motors

: Prevents corrosion in a water heater. The magnetic calcium particles are attracted by the magnets before it enters the heater.

: Magnets are used in medical equipment.