High-tension line has an electrical resistance

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Reference no: EM13946742

A 25-mm-diameter, high-tension line has an electrical resistance of 10-4 !1/m and is transmitting a current of 1000 A.

(a) If ambient air at 10°C and 5 m/s is in cross flow over the line, what is its surface temperature?

(b) If the line may be approximated as a solid copper rod, what is its centerline temperature?

Reference no: EM13946742

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