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# Serial vs Parallel Circuits - The Basics

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Learn the basic differences between the two fundamental circuits in electrical work, the serial circuit and the parallel circuit. BK Electric Services shows you how resistors play a part in differentiating between the two and how the current is affected by the two types.

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### Serial vs Parallel Circuits - The Basics

1. 1. A Quick Review of Basics
2. 2.  Resistance is how much an object resists thetravel of electrons. It is measured in ohms,represented as Ω in electrical diagrams.
3. 3.  Now, what part does resistance play in serial and parallelcircuits? A serial circuit is designed with resistors aligned end-to-end. The current remains the same through every resistor. Total resistance is equal to number of resistors in the serialcircuit= resistance
4. 4.  Because the current flows on single path ,the circuit is limited in how many loads itcan effectively power. Ex: A single light bulb will shine bright. More than one bulb, however and each bulbwill shine less and less electrons go through.
5. 5.  Resistors on a parallel circuit are arrangedside to side with heads and tails facing thesame direction. The current breaks up and travels through adifferent resistor, reconnecting on the otherend of the circuit. The voltage remains the same. Total resistance can be found by adding thereciprocals of the individual resistors thenflipping the total.R= 1/R1 + 1/R2 + 1/R3
6. 6.  There is far more to learn about theseindividual circuits, but these are the absolutebasics. Want to learn more? Check out our otherpresentations or visit uswww.bkelectricservices.com