Why do charging cables not spark when held close to the intended device? 1.73K viewsJanuary 3, 2024 Question90.63K June 5, 2019 0 Comments close as in almost touching but not inserted. In: Engineering 7 Answers ActiveNewestOldest Anonymous Posted June 5, 2019 0 Comments Some of it may have to do with the fact that it is using DC. Air gaps block DC, which is part of how capacitors work. AC generates magnetic fields and can flow across air gaps, which is how transformers work. You are viewing 1 out of 7 answers, click here to view all answers. Register or Login
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