John Wiley And Sons Electronics For Dummies Ebook P2

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John Wiley And Sons Electronics For Dummies Ebook P2

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Getting Started in Electronics plant, the direction in which the electrons flow changes 120 times a second, making a complete turnaround 60 times a second. This change in electron flow is called alternating current, or AC. When the change in electron flow makes a complete loop, it’s called a cycle. The number of cycles per second in alternating current is measured in Hertz, abbreviated Hz. The example of a cycle in the previous paragraph is based on the fact that the United States uses a 60 Hertz standard frequency; some other countries use 50 Hertz as a standard, which means that...

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