1. Cell is a device which

2. A bulb has

3. Filament of a bulb is made up of

4. Bulb glows only in

5. A battery is

6. A substance which allows electricity to pass through it is called

7. Which is an example of an insulator

8. An example of a conductor is

9. How many terminals are there in a dry cell?

10. To prevent electric shocks, the metallic electrical wires are covered with