Question

What do you meant by Joule's law of heating ?write its expression.

Answer 1

Joule's law. Word Origin. noun Physics. the principle that the rate of production of heat by a constant direct current is directly proportional to the resistance of the circuit and to the square of the current.

Answer 2

Heat produced, H=I*I*R*T

THIS FORMULA GIVES US THE HEATING PRODUCED IN THE USE WHEN A CURRENT OF 5 AMPERE FLOWS IN A WIRE OF RESISTANCE R HOME FOR TIME T SECOND THIS IS KNOWN AS JOULES LAW OF HEATING.

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