# How Do A Series Circuit And Parallel Work

## How Do A Series Circuit And Parallel Work?

Electric circuits are essential for powering the devices we use every day. But what exactly is a circuit, and how do they work? In this article, we'll explore the basics of series and parallel circuits, two of the most common circuit configurations. ### What is a Circuit? A circuit is a path that electricity can flow through. It consists of a source of electrical energy (such as a battery), a load (such as a light bulb), and a conductor (such as a wire). When the switch is turned on, the electricity flows from the battery through the conductor to the load, and then back to the battery. ### Series Circuits In a series circuit, the components are connected in a single loop. This means that the current flows through each component in turn. The total resistance of a series circuit is equal to the sum of the resistances of the individual components. The following diagram shows a simple series circuit with a battery, a light bulb, and a switch.

When the switch is turned on, the electricity flows from the battery through the light bulb and back to the battery. The current is the same throughout the circuit. The resistance of the light bulb limits the amount of current that flows through the circuit. If the light bulb is removed from the circuit, the current will increase. This is because the total resistance of the circuit is now lower. ### Parallel Circuits In a parallel circuit, the components are connected in separate branches. This means that the current can flow through any of the branches. The total resistance of a parallel circuit is less than the resistance of any of the individual branches. The following diagram shows a simple parallel circuit with a battery, two light bulbs, and a switch.

When the switch is turned on, the electricity flows from the battery through one of the light bulbs and then back to the battery. The current can also flow through the other light bulb, but it does not have to. The resistance of the light bulbs limits the amount of current that flows through the circuit. If one of the light bulbs is removed from the circuit, the current will decrease. This is because the total resistance of the circuit is now higher. ### Comparison of Series and Parallel Circuits The following table compares the characteristics of series and parallel circuits. | Feature | Series Circuit | Parallel Circuit | |---|---|---| | Components connected | In a single loop | In separate branches | | Current | The same throughout the circuit | Varies depending on the branch | | Resistance | The total resistance is equal to the sum of the individual resistances | The total resistance is less than the resistance of any of the individual branches | | Voltage | The same across each component | The same across the entire circuit | ### Conclusion Series and parallel circuits are two of the most common circuit configurations. They have different characteristics, and they are used in different applications. By understanding the difference between series and parallel circuits, you can choose the right circuit for your needs. ## Additional Resources * [Electrical Circuits](https://www.khanacademy.org/science/physics/electrical-circuits-and-circuit-elements/circuits-intro/a/circuits-intro) * [Series and Parallel Circuits](https://www.physicsclassroom.com/class/circuits/Lesson-2/Series-and-Parallel-Circuits) * [The Basics of Series and Parallel Circuits](https://www.electronics-tutorials.ws/dccircuits/series-parallel.html)

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