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Do scientists or engineers ever "reverse the polarity" o is that meaningless gibberish.?
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- BillLv 76 years agoFavorite Answer
It depends on what they are working on. Most electronic circuits won't work if you reverse the polarity of the power supply.
- Ray;mondLv 76 years ago
If you reverse the polarity of vehicle jumper cables you get big sparks and the poorer battery may spray hot sulfuric acid = not pleasant.
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