What Are The Formulas For Series And Parallel Circuits

Electricity is one of the most important elements of modern life. From powering our homes and businesses to powering our phones and computers, electricity is essential in our current way of life. The ability to understand how electricity works and how to apply it safely is fundamental to ensuring a safe environment for everyone. To help us understand electricity better, let’s take a look at the formulas for series and parallel circuits.

Series Circuits

A series circuit is one in which all the components are connected in a line, so that the same current flows through them. In a series circuit, the current is the same throughout, so the total resistance of the circuit is equal to the sum of all the individual resistances. This is known as Ohm’s Law, and the equation for calculating resistance in a series circuit is I=V/R, where I is the current, V is the voltage, and R is the total resistance.

For example, say we want to find the resistance of a circuit with three lamps connected in series. The resistance of each lamp is known to be 1 ohm. The total resistance of the circuit can be found using Ohm’s law: R = 1 + 1 + 1 = 3 ohms.

Parallel Circuits

A parallel circuit is one in which all the components are connected side-by-side, so that the same voltage is applied to each component. In a parallel circuit, the current is the same throughout the entire circuit, but the voltage is divided, so that each component receives a different amount of voltage.

The formula for calculating the total resistance of a parallel circuit is 1/Rt = 1/R1 + 1/R2 + 1/R3, where Rt is the total resistance, and R1, R2 and R3 are the individual resistances. For example, if we have three lamps connected in parallel and each has a resistance of 1 ohm, then the total resistance of the circuit is 1/1 + 1/1 + 1/1 = 1/3 ohms.

Conclusion

Series and parallel circuits are an important part of understanding electricity. Knowing the formulas for calculating the resistance of each of these circuits is essential for anyone working with electricity, whether it be for commercial or residential applications. With these formulas, you can be sure to have a safe and efficient electrical system.

Series And Parallel Circuits