
Transistor - Wikipedia
It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit. A voltage or current applied to one pair of the transistor's terminals controls the …
What Is a Transistor? (Definition, How It Works, Example) | Built In
Sep 11, 2024 · A transistor is a device that controls an electrical current by amplifying, facilitating or stopping it. Transistors can be found in computer memory chips, cell phones and car engines, …
Transistor | Definition & Uses | Britannica
Dec 14, 2025 · transistor, semiconductor device for amplifying, controlling, and generating electrical signals. Transistors are the active components of integrated circuits, or “microchips,” which often …
How do transistors work? - Explain that Stuff
Sep 26, 2024 · A transistor works when the electrons and the holes start moving across the two junctions between the n-type and p-type silicon. Let's connect the transistor up to some power.
Transistor: Types, Principle, Applications, Examples
Jul 13, 2025 · A transistor is a three-terminal semiconductor device used to amplify or switch electrical signals and power. It is one of the most essential tools in electronics. The power provided to one …
Transistors - SparkFun Learn
In this tutorial we'll introduce you to the basics of the most common transistor around: the bi-polar junction transistor (BJT). In small, discrete quantities, transistors can be used to create simple …
What Is a Transistor, and How Does It Work? - ExtremeTech
Aug 11, 2025 · Transistors are tiny electronic components that act as switches and amplifiers, and they dwell at the heart of modern technology. In simple terms, a transistor can turn a flow of electricity on...
What is a transistor and how does it work? - TechTarget
Aug 29, 2024 · A transistor is a miniature semiconductor that regulates or controls current or voltage flow in addition to amplifying and generating these electrical signals and acting as a switch or gate …
Transistor - GeeksforGeeks
Jul 23, 2025 · A Transistor is one of the types of semiconductor devices that is used to conduct and insulate electric current or voltages. A transistor acts as a switch and as an amplifier. Transistors are …
Transistor Basics: What They Are and How They Work
Jul 17, 2025 · So, what is a transistor, and how does it switch power and signals? This guide explains the basics, types, materials, and how transistors influence modern technology.