Electronics Tutorial for Beginners ABC of Electronics Offering free comprehensive basic electronics tutorial.In this Electronics Tutorial we have explained the basic electronic concepts. ABC OF TV: Have you ever wondered how a Television works? ABC OF Radio: Basic mechanics of a radio Cool Electronic Gadgets Beginners Electronic Circuits ..

At our residences we are delivered current which we call Alternating Current. It is called alternating current due to the fact that direction of current flowing is constantly reversed back and forth. This Alternating Current comes to your home from power plants made by electronic companies. Alternating Currents are cause of Alternating Voltages. Wires which carry audio and radio signals are also examples of Alternating Current. AC voltage can be increased or decreased with help of a transformer. For this purpose we can use a Step-up or a Step-Down transformers respectively.