Why cars use AC-producing alternators when they run on DC power
 

http://img-s-msn-com.akamaized.net/t...6&q=60&o=f&l=fHave you ever wondered about the electricity that courses through your car? Do you suspect that there?s a captive bolt of lightning held in a magic jar? Of course you don?t. You?re not a Neanderthal. You know there?s a battery and an alternator. You may even know your battery provides DC current that the car uses, but your alternator generates AC current. Doesn?t that seem weird? Why is that?

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