Chapter 12 – Elecricity and Circuits

From where is electricity supplied to our homes ?

A device which supplies light without the use of electricity ?

What are the three sources of electricity other than power station ?

What supplies electricity to the torch bulb ?

Name a device which use electric cell as a source of electricity.

When two or more elecricity cells are joined together in such a way that bulb lights up than it is called:

The bulb with broken filament is called a:

Why a fused bulb does not glow?

………….. is a device to tests whether the given substance is a conductor or not.

What is earth wire?

A path through which electricity can flow is:

The circuits in which the bulb shines are:

A circuit in which a joint is open known as an:

Those objects which, when placed in the circuit, let the bulb glow are called:

……………. is the form of energy.

…………… is a source of electricity.

A simple device that either breaks the circuit or completes it to stop or start the flow of current is:

The flow from the positive terminal of the electric cell to its negative terminal.