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Re: Why the differences in + and - ground electrical systems?
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Posted by Fred Oh on May 29, 2000 at 05:50:54 from (208.32.116.43):
In Reply to: Why the differences in + and - ground electrical systems? posted by Alberta Mike on May 27, 2000 at 20:44:51:
I think if I remember correctly, they found out for sure which direction electrons flowed when they started using the scanning electron microscope. It was the opposite as they had thought. Must be the reason why a diode has an arrow on it that is headed the wrong way when it is forward biased???
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