Potential Difference

Two or more cells are connected together to form a _____.

A battery of $12 \mathrm{V}$ supplies a charge of$1000 \mathrm{C}$ to an electric device. How much work is done by the battery in moving the charge?

Can you think of any four devices which can work even when not connected to the switchboards at your home?

What is the potential difference between the conductors A and B Shown in below figure? If the conductors are connected by a length of wire, which way will the electrons flow? When will the flow of electrons stop?

A battery of  $10 \mathrm{V}$ carries $20,000 \mathrm{C}$ of charge through a resistance of $20 \mathrm{\Omega }$. The work done in $10 \mathrm{s}$ is

What is the special property of a secondary cell? Give an example of the secondary cell.

Secondary cells can not be recharged.

Primary cells can not be recharged.

What are primary cells? Give an example also.

What are secondary cells? Give an example also.

_____ is the electrical cell used in radio and wall clocks.

_____ is used as the electrolyte in dry cell.

Distinguish between : Dry cell and lead - acid cell.

Is Daniel cell a primary cell?

What are primary cells used for?

Explain secondary cells with the help of an example.

If you add a cell to the circuit, will the lamps glow more brightly or less brightly?

If you remove a cell from the circuit, will the lamps glow more brightly or less brightly?

In an electric cell, which form of energy is converted into electrical energy?

The primary cells are rechargeable.