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Basic Electronic Components

Here are some of the main componen in electronic circuits:
Resistors
Resistors are components that have a predetermined resistance. Resistance determines how much current will flow through a component. Resistors are used to control voltages and currents. A very high resistance allows very little current to flow. Air has very high resistance. Current almost never flows through… »

22 Watt Audio Amplifier

The 22 watt amplifier is easy to build, and very inexpensive. The circuit can be used as a booster in a car audio system, an amplifier for satellite speakers in a surround sound or home theater system, or as an amplifier for computer speakers. The circuit is quite compact and uses only about 60 watts…. »