# Formula For Finding Total Resistance In Parallel Circuit

By | August 4, 2022

It's no secret that one of the most fundamental principles of electricity is Ohm's Law, which states that the amount of current (I) flowing through a conductor between two points is directly proportional to the potential difference (V) between those points. But what happens when multiple circuits are connected in parallel? What equations must be used to calculate the total resistance of the network?

Fortunately, it's not as complicated as it sounds. With a bit of mathematics, anyone can calculate the total resistance of any given circuit in parallel. The formula is simple: the reciprocal of the total resistance is equal to the sum of the reciprocals of the individual resistances.

In other words, if you have two resistors, R1 and R2, then the total resistance is equal to 1/(1/R1 + 1/R2). If you have three resistors, R1, R2, and R3, then the total resistance is equal to 1/(1/R1 + 1/R2 + 1/R3). This equation can be extended for an unlimited number of resistors.

This equation is extremely useful in electrical engineering and applied physics, allowing engineers and scientists to accurately predict how a circuit will behave under varying conditions. It's also useful for troubleshooting purposes. By using this equation, a technician can quickly identify areas where the total resistance is too high or too low, quickly pinpointing the source of the problem and helping to prevent further damage to the system.

All in all, calculating the total resistance of a network in parallel is pretty straightforward. By knowing the individual resistances of each component within the system, you can easily calculate the total resistance using the equation provided above. Armed with this information, you'll be able to work more efficiently, reduce mistakes, and improve your overall electrical systems.

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