Electricity

An electric (a)   is a simple device which is used to either break the path of electricity, or to complete it.

Draw a neat diagram of a Button Cell.

The outer layer of a dry cell is made of the (a)   metal.

The side of a dry cell that has a small metal cap is the (a)   terminal.

Which kind of cells are used in wrist watches and calculators?

• Primary cells

• Dry cells

• Button cells

• solar cells

Secondary cells are also called as rechargeable cells.

• Yes

• No

A (a)   converts solar energy into electricity.

Which among the following are primary sources of energy?

• Electric cells

• Battery

• Coal

• Solar energy

Electricity belongs to which kind of energy source?

• Primary

• Secondary

• Tertiary

• Quaternary

An electric torch works with the help of (a)   .