What do headlights run off of when your car is running?

Subject: What do headlights run off of when your car is running?

Date: Wed Sep 27 14:42:53 2000
Posted by Jeff Webber
Grade level: 7-9 School: Northern High School
City: Sarnia State/Province: Ontario Country: Canada
Area of science: Engineering
ID: 970080173.Eg

Message:


When you turn your lights on and your car is off, then your lights are 
running off your battery (DC), correct?  Well, if your car is running then 
what do lights run off of?  How does it work?  What type of current does 
your alternator create - DC or AC?  

Let me know, thanks.

Re: What do headlights run off of when your car is running?

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