Difference between revisions of "Direct current"
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[[Category:Physics]] | [[Category:Physics]] |
Latest revision as of 02:05, June 21, 2018
Direct Current (DC) is a voltage or current that does not vary with time. It is the form in which electricity is generated by a chemical cell (battery), a solar cell (photovoltaic) or a DC generator. DC is not used for power transmission because it cannot be manipulated by a transformer.