On large scale, we use only alternating current because there are lots of advantages of alternating current are present. alternating current is capable of covering large distances,while direct current cannot travel longer distances. Alternating current has the almost same value at its both cornor since, energy loss is minimum in alternating current,but if we transmit direct current its value will differ at other end.
Alternating current can be used for different purposes while direct current cannot be used,, such as for running different appliances we use alternating current, not direct current.
besides this there are several advantages are present such as
1 cheap and efficient voltage stepping by use of transformer
2 The ac is easy to generates than dc
3 The lose of energy during transmission is negligible
3 The variation of ac can easily be done using transformers either step up or step down.
4 The value of ac can be changed with the help of machines present for it.
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