Home Projects AVR Programming Guides Electrical Fundamentals Insteon Saving Electricity
 AVR Programming Guides We have some nice AVR code samples to share. Lots of AVR goodies like timers, interrupts, and pin I/O for the beginner.
 Watts Tables Use these tables to help you determine how much various items in your house cost you by the day, month, and year.
 Saving Electricity A list of a variety of ways to help you save money by learning how much it costs to run things.
 What is a Kilowatt Hour Saving money on your electric bill starts with understanding what a kilowatt hour is.
 How To Measure Watts Learn a variety of ways to measure watts in your house.
 Read Your Power Meter By reading your power meter you can get a good idea of how much various electrical devices cost you.
 Electronics Fundamentals Learn some basic electronics fundamentals and see if you enjoy the field of electronics.

## What Is A Circuit Page 1

Closed Circuts

A very common term in electronics is the word circuit. In general, you will hear the word used to describe what a schematic shows. Most projects are a circuit and most schematics are a circuit.

The literal definition of a circuit comes from "circle", and is used to refer to the path that electricity flows in a project. Lets look at a simple circuit.

 Schematic Symbol Actual Image

Above is a circuit consisting of a battery and a lightbulb. Notice how it makes a circle. The circuit is complete, so the lightbulb is lit. This is called a closed circuit.

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#### Written by Jason Bauer

Jason Bauer is an owner and programmer for Portforward.com. He's allergic to twitter and facebook, but you can find more of his articles in the Guides section.
 Wednesday, 22-Nov-2017 03:04:35 PST