In a normal conductor heat is generated at a rate I 2R.Therefore a current-carrying
Chapter 10, Problem 52(choose chapter or problem)
In a normal conductor heat is generated at a rate I 2R.Therefore a current-carrying conductor must dissipateheat effectively or it can melt or overheat thedevice in which it is used. Consider a long cylindricalcopper wire (resistivity 1.72 108 # m) of diameter0.75 mm. If the wire can dissipate 80 W/m2 along itssurface, what is the maximum current this wire cancarry?
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