Ohms law states that the current through a conductor between two points is directly proportional to the voltage across the two points. Voltage Current Resistance V IR V voltage I current and R resistance. This reformulation of Ohms law is due to Gustav Kirchhoff.
Then by using Ohms law and substituting for the values of V I and R the formula for electrical power can be found as.
What is Ohms Law formula equation triangle Ohms Law is one of the most fundamental of laws for electrical theory. Ohms Law states that it takes 1 volt to push 1 amp through 1 ohm of resistance. What mathematical equation is used where E and R are known and I is to be determined. The Ohms Law wheels and graphics below can be a very useful tool to jog your memory and help you to understand their relationship.