Why is nichrome preferred for heating elements?

Nichrome is preferred for heating elements because of its high electrical resistance and high melting point.

When electric current passes through nichrome, it resists the flow of electrons, which leads to the generation of heat (heating effect of current). This makes it highly efficient for converting electrical energy into heat energy.

Additionally, nichrome has excellent properties such as:

• High melting point, so it can withstand very high temperatures without melting
• Resistance to oxidation, meaning it does not burn or degrade easily even when heated repeatedly
• Durability, allowing long-term use in appliances

Due to these characteristics, nichrome is widely used in devices like electric heaters, toasters, irons, and geysers.