2002 jetta radio wiring diagram – What’s Wiring Diagram? A wiring diagram is a schematic which uses abstract pictorial symbols to exhibit all the interconnections of components in the system. Wiring diagrams comprise certain things: symbols that represent the components within the circuit, and lines that represent the connections between them. Therefore, from wiring diagrams, you realize the relative location of the ingredients and exactly how they’re connected. It’s a language engineers need to learn after they develop electronics projects.
2002 jetta radio wiring diagram
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A Beginner’s Guide to Circuit Diagrams
A first look at the circuit diagram may be confusing, in case search for a subway map, search for schematics. The purpose is similar: getting from point A to point B. Literally, a circuit could be the path that enables electricity to circulate. If you know what to look for, it’ll become second nature. While at first you’ll you should be reading them, eventually you’ll start creating your own. This guide will show you some of the common symbols you are certain to see in your future electrical engineering career.
First, let’s have a look at a number of terms that you’ll need to know:
Voltage: Measured in volts (V), voltage will be the ‘pressure’ or ‘force’ of electricity. This is generally supplied by a battery (like a 9V battery) or “mains electricity,” the outlets inside your house operate at 120V. Outlets in other countries operate at the different voltage, which explains why you need a converter when traveling.
Current: Current will be the flow of electricity, or higher specifically, the flow of electrons. It is measured in Amperes (Amps), and may only flow whenever a voltage supply is connected.
Resistance: Measured in Ohms (R or Ω), resistance defines how easily electrons can flow via a material. Materials such as gold or copper, are known as conductors, as they easily allow flow to move (low resistance). Plastic, wood, and air are types of insulators, inhibiting the movement of electrons (high resistance).
DC (Direct Current). DC is often a continuous flow of current in one direction. DC can flow not simply through conductors, but semi-conductors, insulators, or a vacuum.
AC (Alternating Current). In AC, the flow of current periodically alternates between two directions, often forming a sine wave. The frequency of AC is measured in Hertz (Hz), which is typically 60 Hz for electricity in residential and business purposes.