what is heating effect of electric current
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When current flows through a conductor, heat energy is generated in the conductor. The heating effect of an electric current depends on three factors: The resistance, R of the conductor.
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Heating effect of electric current :When an electric current is passed through a high resistance wire like nichrome, the resistance wire becomes very hot and produces heat. This is called heating effect of electric current.Joule's Law :When current of 1 ampere flows in a wire of resistance RΩ for t seconds, the heat energy dissipated by it is given by H = I2Rt (c) The bulbs are usually filled with chemically inactive nitrogen and argongas so that filament does not burn out and the life of filament is prolonged.
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