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Along wire of diameter D=1mm is submerged in an oil bath of temperature Tz=18C. The wire has an electrical resistance per unit length of Re=0.01/m.

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Along wire of diameter D=1mm is submerged in an oil bath of temperature Tz=18C. The wire has an electrical resistance per unit length of Re=0.01/m. If a current of I=96A flows through the wire and the convection coefficient is h=500W/m2K. what is the steady-state temperature of the wire? From the time the current is applied, how long does it take for the wire to reach a temperature that is within 1C of the steady-state value? The properties of the wire are =8000kg/m3,c=500J/kgK, and k= 20W/mK The steady-state temperature of the wire is C. The time is

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