What is Ac and Dc Current.

1.	What is Ac and Dc Current.
Answer» Ac current was invemted by Nicola Tesla Ac current — • it stands for alternating current. • the current which changes it\'s direction after a certain fixed interval of time is called alternating current.• the polarity (+ or -) is not fixed in Ac current..... ........... Dc current — • it stands for direct current. • the current which always flows in the same direction is called direct current. • the polarities (+ or -) are fixed in Dc current.

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