Question: A copper bar 2 m long has a circular cross section of radius 1 cm. One end is kept at 100 o C and the

A copper bar 2 m long has a circular cross section of radius 1 cm. One end is kept at 100^oC and the other end is kept at 0^oC. The surface of the bar is insulated so that there is negligible heat loss through it. Find

(a) The thermal resistance of the bar,

(b) The thermal current I,

(d) The temperature of the bar 25 cm from the hot end.

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