A magnet has poles. Like poleseach other and unlike poles . An electromagnet is used to separate large masses of scrap. The strength of the magnetic is increased by inserting a . In torch we use a as the source of electricity. To light a table lamp and to run a refrigerator, We use as the source of electricity. A group or two or more cells is called a . pass electricity through them.

2 repel attracts light water

A magnet has two poles.

Like poles repel each other and unlike poles attract

An electromagnet is used to separate large masses of iron scrap.

The strength of the magnetic field of an electromagnet is increased by inserting a core of soft iron.

In a torch we use a dry cell as the source of electricity.

To light a table lamp and to run a refrigerator, we use mains as the source of electricity.

A group of two or more cells is called a battery.

Conductors pass electricity through them.

powerful computers now, not then

this is poiselle's equation from fluid mechanic in physics. mech eng