Difference between revisions of "Direct current"
(Frequency is not a characteristic of DC, so defining it by signal or zero frequency is not very clear.) |
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| − | '''Direct Current''' (DC) is | + | '''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]]. |
| − | ==See | + | ==See also== |
| + | * [[Inverter]] | ||
| + | * [[Alternating Current]] | ||
| − | |||
| + | [[Category:Physics]] | ||
[[Category:Electricity]] | [[Category:Electricity]] | ||
| + | [[Category:Electronics]] | ||
| + | [[Category:Electrical Engineering]] | ||
| + | [[Category:Radio]] | ||
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.