What is alternating current?

Alternating current is the standard current in North America that is transmitted with a positive and negative half cycle. There are 60 cycles per second.

 A schematic of an AC cycle is shown below. This is one cycle of a sine wave showing the positive and negative half cycle. There are 60 of these cycles generated per second in North America.  This is sometimes described as a frequency of 60 hertz.

AC Sine Wave

Have a Question?

Do you have a question that is not covered in our knowledgebase? Do you have questions regarding the above article? Click here to ask the professor.

Did you find this answer helpful?