Question

An electric heater used for cookoing contains coil of wire which becomes red hot when heated. It is called as​

Answer 1

Answer:

Nichrome: Most Resistance wire heating elements use nichrome 80/20 (80% Nickel, 20% Chromium) wire, ribbon, or strip. Nichrome 80/20 is an ideal material, because it has relatively high Resistance and forms an Adherent layer of Chromium oxide when it is heated for the first time.