The heating effect of ____________ is used in home appliances like electric heater, electric iron etc.

Why nichrome wire is used in electric heater ?

Which material is used as heating elements in electric heaters and electric iron?

Material used as resistor in an electric heater

Material used as resistor in an electric heater

Fill in the blanks- _________alloy is used to make electric heaters.

Name the alloy which is used to make the heating elements of electrical heating appliances like an electric iron.

The connecting cable of electrical appliance like electric iron, water heater or room heater contains three insulated copper wires of three different colours-red, green and black. Which one of the following is the correct colour code?