Ohm’s Law; Definition, Statement, Application And Limitations: The current that flows through most conductors is directly proportional to the voltage applied. Ohm’s Law states that the amount ...

The symbol for resistance is R, it is measured in ohms \((\Omega )\). The symbol for current is I, it is measured in amperes \((A)\).

If the temperature of a metal conductor increases, the ions of the metal vibrate more vigorously. Hence, for a metal, resistance increases with increasing temperature. Often the increase in ...