Re: how does electrity flow in wire

Posted by John T on February 18, 2013 at 19:36:18 from (71.52.99.130):

In Reply to: Re: how does electrity flow in wire posted by gene bender on February 18, 2013 at 16:52:47:

NOPE, see my detailed explanation below. at DC there IS NO SKIN EFFECT what matters is the net sum cross sectional area, the more cross section the more flow regardless if theres small wires or big wires. Stranded is used for welding cable due to superior flexibility and vibration resistance NOT to carry more current. Similar battery cables need to be stranded to withstand flex and vibration so as not to stress and break the wire, the current rating depends on the net sum of all the cross sections

NOW if we were talking high frequency your thinking comes into play but NOT at DC

Hope this helps yall, best wishes n God Bless

John T BSEE Electrical Engineer

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