Question

define joule law of heating write its equation?​

Answer 1

Answer:

When an electric current passes through a conductor for some time, the conductor gets heated up. Thus heating of a conductor due to the flow of electric current through it is known as Joule's law of heating.

Heat generated h = i^2Rt

where i is the amount of current flowing though the conductor, R is the resistance of conductor and t is the time for which the current has flown.

Explanation:

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Answer 2

Answer: A quantitative form of Joule's law is that the heat evolved per second, or the electric power loss, P, equals the current I squared times the resistance R, or P = I2R. The power P has units of watts, or joules per second, when the current is expressed in amperes and the resistance in ohms.

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