ELECTRIC CURRENT AND ITS EFFECTS

Q1.Fill in the blanks :

1. A combination of two or more cells is called a _____________ .

2. The working of a an electric bulb, electric iron and the fuse is based on the __________________ effect of current.

3. The filament of an electric bulb is made of ______________ and has ______________ (high/low) melting point.

4. Instead of electric bulbs, it is advisable to use ______________ and __________________ , in order to reduce wastage.

5. __________ is a safety device which prevents fires and damage to electrical Appliances.

6. A current carrying coil wrapped around a piece of iron is called an __________.

7. ________________ performed experiments to prove the magnetic effect of current.

8. _________________ and _____________ are devices which have electromagnets in them.