write joule's law of heating.
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Joule's law of heating states that , "The heat produced in a resistor is directly proportional to (1) square of current (I²) (2) resistance of the resistor (R) and (3) time for which the current flows through the resistor .
H = I²Rt joules
From ohm's law , we get H = Vlt = V²/R joules
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The joule's first law shows the relationship between heat produced by a flowing electric current through a conductor. The amount of generated heat is proportional to wire's electrical resistance when the current in the circuit and the flow of current is not changed.
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