Question

While Rohit's mother was cooking on the heater, Rohit noticed that the coil of the heater called Element was very hot. He wondered how the coil of the electric heater got so hot. Can you explain why this happened?​

Answer 1

Answer:

heating effect of current

Answer 2

The incident mention in the question can be explained in the following way -

• The electricity conducted metals have a property of electrical resistance which resist the flow of electricity through the metal.
• Now, this resistance against the electricity flow creates significant amount of heat energy.
• And, according to the ohm's law, the resistance of a conductor is directly proportional to the amount of generated heat.
• Now, the heating element of the heaters are made out of the nichrome which has extremely high electrical resistance. Due to this extremely high amount of electrical resistance, a high amount of heat energy is produced from the heater.