what is joules heating effect. explain with an expression
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Joule's law states that when current 'I' is passed through a conductor of resistance 'R' for time 't' then the heat produced is equal to the product of square of the current, the resistance and the time
When an electric current is passed through a high resistance wire, like nichrome wire, the resistance wire becomes very hot and produces heat. This effect is known as heating effect of current or Joule's law of heating.
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