Wednesday, July 9, 2008

Joules Laws Heating Due to Current in a Resistor

1. The heat produced in a given resistor in a given time is proportional to the square of the current in it

2. The heat produced in a given resistor by a given current is proportional to the timwe for which the current exists in it.

The heat produced in a given resistor by a given current in a given time proportional to its resistance

(Topic: thermal and chemical effects of electric current)

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