I know what a short circuit is and how to make that happen. But what actually happens? Why does low resistance in a circuit causes the conductive material to become so hot?
In: 7
The heating effect of the current is given by the power developed in the resistance.
That’s `P=V²/R`
i.e, the voltage squared, divided by a very small resistance.
Lots of power, lots of heat.
Latest Answers