Question

explain heating of electric current with its formula and practice application​

Answer 1

Answer:

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Answer 2

# What are the heating effects of the electric current?

When a current flows through a conductor, heat energy generates in the conductor. The heating effects of electric current depend on three factors:

• The resistance of the conductor. A higher resistance produces more heat.
• The time for which the current flows. The longer the time the amount of heat production is high.
• Higher the current the amount of heat generation is also large.

Hence the heating effect produced by an electric current, I through a conductor of resistance, R for a time, t is given by H = I²Rt. This equation is the Joule’s equation of electrical heating.

Joule’s law states the amount of heat production in a conductor is :

• Directly proportional to the square of electric current flowing through it.
• Is directly proportional to the resistance of the conductor.
• Directly proportional to the time for which electric current flows through the conductor.