# How To Find Total Resistance In Series Parallel Circuit

By | January 16, 2023

If you're an electrical enthusiast or a budding engineer trying to wrap your head around circuits and electrical components, then understanding how to calculate total resistance in a series-parallel circuit can be a daunting task. Don't be overwhelmed! While it may seem like a complex concept at first, breaking down the steps of finding total resistance in a series-parallel circuit can make the process much simpler.

To begin, let's start with a series-parallel circuit. A series-parallel circuit is one that combines both series and parallel elements. In this type of circuit, resistors are connected in series, which means they are placed one after the other in a single path, or chain. At certain points, resistors are connected in parallel, meaning there are multiple paths for electrons to travel.

Now that you understand what a series-parallel circuit is, let's get into the nitty-gritty of calculating the total resistance. First, divide the circuit into separate series and parallel parts. When this is done, you can calculate the total resistance of each part separately. For resistors that are connected in series, calculating the total resistance is easy; just add up the resistor values. For resistors that are connected in parallel, the calculation is a bit more complicated, but still manageable. The equation you'll use is R\_{total} = \frac{1}{1/R_1 + 1/R_2 + 1/R_3 ... 1/R_n}, where R\_{total} is the total resistance of the parallel resistors, and R\_1, R\_2, etc. are the individual resistor values.

Once you've calculated the total resistance of each part of the circuit (series and parallel), you can then add those two together. This gives you the total resistance for the entire circuit. To double-check the calculation, you can measure the voltage drop across the circuit, then use Ohm's law to see if your calculations are correct. Using Ohm's law, you would calculate the resistance as V/I, where V is the voltage drop and I is the current.

By following these steps, you should be able to easily calculate the total resistance in a series-parallel circuit. With practice, you could even be able to solve these problems without the help of a calculator. Understanding electrical resistance can be a great asset to any aspiring electrical engineer or electronics enthusiast, so take the time to really grasp the concepts and make sure you know your formulas!

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