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Answer – Joule’s law describes how fast a circuit’s resistance transforms electrical to thermal energy. Electric wire heat is measured in Joules.
The joule’s law of heat illustrates the relationship between heat created by an electric current passing through a conductor.
Over the course of time ‘t’, a current ‘i’ passes through the conductor, which has resistance ‘r’, the heat created in the conductor is proportional to the product of the squares of the current, the resistance, and the duration.
Q = I² ✕ R ✕ T.
