## Electricity | Introduction to Electricity | Chapter 12 | CBSE Class 10 Science | Physics

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Electricity | Introduction to Electricity | CBSE Class 10 Science

Hello students, here we are going to study a very interesting topic as Electricity, the basic concept of electricity, conductors, and insulator, etc.

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We start our discussion from,
What is Charge?

In any substance, there are three(3) types of particles,
as,

1) Protons
2) Electrons
3) Neutrons

– Protons have a positive charge
– Electrons have a negative charge.

If two same charges are placed together towards each other, then they repel each other.
It means like charges repel.

Whereas if two opposite charges are placed towards each other, then they attract.
It means unlike charges attract.

Now we discuss,
Conductor and Insulators.

Conductor:

Conductors are materials that permit electrons to flow freely from particle to particle.
An object made of a conducting material will permit charge to be transferred across the entire surface of the object.

For example – Iron, Copper, Aluminium.

Insulator:

In contrast to conductors, insulators are materials that impede the free flow of electrons from atom to atom and molecule to molecule.
The particles of the insulator do not permit the free flow of electrons.

For Example – Wood, Plastic, Glass

And we will use real-life examples with these concepts to help you understand them better.