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A comment on Some Day, You’ll Have a Telephone with a Screen and Be Able To Dial a Book. Parent comment

Re:Some Day, You’ll Have a Telephone with a Screen and Be Ab... by wl on Sunday January 13, 2019 @11:33AM (#18897286)
Alternatively, skin effect limits the amount of AC current you can throw over a single conductor. With DC, you can make your conductors arbitrarily thick and you'll use the whole thing.
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