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  1. CIRCUIT Definition & Meaning - Merriam-Webster

    The meaning of CIRCUIT is a usually circular line encompassing an area. How to use circuit in a sentence.

  2. 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 which electric …

  3. 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 circuit, …

  4. CIRCUIT Definition & Meaning | Dictionary.com

    CIRCUIT definition: an act or instance of going or moving around. See examples of circuit used in a sentence.

  5. 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 through …

  6. CIRCUIT | definition in the Cambridge English Dictionary

    circuit noun [C] (CIRCLE) something shaped like a circle, esp. a route, path, or sports track that starts and ends in the same place:

  7. circuit noun - Definition, pictures, pronunciation and usage notes ...

    Definition of circuit noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  8. 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 pulsates back and forth …

  9. Physics Tutorial: Circuit Symbols and Circuit Diagrams

    Lesson 4 will focus on the means by which two or more electrical devices can be connected to form an electric circuit. Our discussion will progress from simple circuits to mildly complex circuits.

  10. Simple Circuits | Brilliant Math & Science Wiki

    A circuit is the path that an electric current travels on, and a simple circuit contains three components necessary to have a functioning electric circuit, namely, a source of voltage, a conductive path, and a …