Re: Why positive ground?

Posted by msb on November 02, 2004 at 20:47:50 from (12.203.216.208):

In Reply to: Why positive ground? posted by Rosy on November 02, 2004 at 17:36:25:

Has to do with the scientific world not knowing for sure if its the right hand rule of thumb the way electricity flows in a direct current coil or the left hand rule of thumb being the correct way it travels.Make a fist with each hand and point your thumbs up in the air and look how the current would have to flow through your hand to exit through your thumbs.They used to believe it was one way(positive ground) and later changed their mind(to negative ground) on the subject.Don't ask me which is correct.I have no idea.All I know is it works both ways.LOL,bob

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