Define joules law of heating effort obtain an expression for it.
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H=I 2Rt (joules) This relation is known as Joule's law of heating. It states that the heat produced is proportional to (i) the square of the current I, (ii) resistance of the circuit R, and (iii) the time t during which the current flows through the circuit.
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Joule's law of heating states that power of heating generated by an electrical conductor is proportional to the product of its resistance (R) and square of the electric current passing through the conductor with time.
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