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  1. What Is a Circuit? The Physics Behind Electronics

    May 26, 2025 · At its core, a circuit is a closed loop through which electric current can flow. This current—the flow of electric charge—needs a complete path to move. Imagine water flowing …

  2. Electric circuit | Diagrams & Examples | Britannica

    Nov 11, 2025 · Electric circuits are classified in several ways. A direct-current circuit carries current that flows only in one direction. An alternating-current circuit carries current that …

  3. Circuit Definition - TechTerms.com

    Apr 22, 2016 · In electronics, a circuit is a closed path that allows electricity to flow from one point to another. It may include various electrical components, such as transistors, resistors, and …

  4. Electric Circuit: Definition, Types, Diagram & Applications

    Learn what an electric circuit is, its types, working, and applications with simple diagrams, practical examples, and easy explanations.

  5. Electronic circuit - Wikipedia

    An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through …

  6. What is a Circuit? - SparkFun Learn

    One of the first things you'll encounter when learning about electronics is the concept of a circuit. This tutorial will explain what a circuit is, as well as discuss voltage in further detail. A simple …

  7. What is a Circuit? - SparkFun Education

    A circuit is a loop through which current can flow. Circuits require three base elements - voltage source, load and conductive path - to operate correctly.

  8. What is a circuit in electronics? - TechTarget

    Apr 25, 2022 · In electronics, a circuit is a complete circular path that electricity flows through. A simple circuit consists of a current source, conductors and a load. The term circuit can be used …

  9. What Is a Circuit? - Computer Hope

    Sep 7, 2025 · What Is a Circuit? A circuit can refer to any of the following: 1. In electronics, a circuit is an electronic component consisting of a complete path: a voltage source and a load. …

  10. What Is a Circuit? The Simple Guide to Describing Them Right

    Aug 10, 2025 · Circuits form the backbone of all modern electronics, providing a closed path for electrical energy. This path allows a controlled flow of current, which is driven by a source of …