An Introduction to the Reason and Use of Transformers (1292 words, 3 pages)
1IntroductionThe Reason and Use of TransformersA transformer is a device that raises or lowers voltage and is used mostly with alternating current, or ac. A transformer has no moving parts, is simple, rugged, durable, and can be up to ninety-nine percent efficient. Cities use a large amount of power, and ...
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