electrical earth

[jmsa7]

Hello,

Just trying to understand the role of the earth terminal in a electric circuit. Does it have the same function in a DC and AC system?

Thanks

[gtacs]

This has been discussed at length here. JimHardy and EvilBunny have some really good explanations at the link below:


http://www.physicsforums.com/showthread.php?t=526008&highlight=grounding&page=2