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Agreed DC is not used in household circuits, but it is used in lot of places where small regulated voltage is required. like electronics circuits.
Diwali lights for example require DC current but are still plugged in to AC supply, there you use a rectifier to convert from AC to DC and then use the device
Last Activity: 9 Years ago
Dc currents is the unidirectional flow of electric charge. Direct current is produced by sources such as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type.in houses we use ac current.
Last Activity: 9 Years ago
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