Why? in aluminium conductors elastic modulus changes but coefficient of linear expansion doesn´t change, (of course, changes over time)
If there was no electricity there would be no internet. Good point, don´t you? :D
Who can explain clearly why skin effect exist? Does it exist less at dc current or none exist? Why there is more skin effect at ac current?
If there was no electricity there would be no internet. Good point, don´t you? :D