what is difference b/t ac current and dc current

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what is difference b/t ac current and dc current..

Answer / er. sanjana singh

ac current is flow in alternating nature & it have frequency.
dc current is direct current and flow in straight direction & dc current has no frequency..

Is This Answer Correct ?

11 Yes

4 No

what is difference b/t ac current and dc current..

Answer / sureshkumar

ac current has skin effect,corona losses and dc current does not having skin effect,corona in transmission lines

ac transmission can change voltage levels by using step-up transformers and in dc it is not possible

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1 Yes

0 No

what is difference b/t ac current and dc current..

Answer / sureshkumar

in ac we can change voltage levels by using power transformers
and in dc can not change voltage levels because we not using power transformers

Is This Answer Correct ?

0 Yes

0 No

what is difference b/t ac current and dc current..

Answer / syamkumar

ac current changes it's magnitudeand it has frequency but
dc cureent doesn't changes it's magnitude and it didn't
have frequency.

Is This Answer Correct ?

2 Yes

4 No

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