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A conducting solid cylinder has inner and outer radii as a and b. Its end are thermally insulated... temperature of the surrounding is To which is greater than temperature of cylinder. Heat capacity per unit volume is s. Thermal conductivity of cylinder is K. Find time required to increase temp of cylinder from T1 to T2... ANS : a2s/2k × log(b/a) ×log(To-T1/To-T2)

A conducting solid cylinder has inner and outer radii as a and b. Its end are thermally insulated... temperature of the surrounding is To which is greater than temperature of cylinder. Heat capacity per unit volume is s. Thermal conductivity of cylinder is K. Find time required to increase temp of cylinder from T1 to T2... 
ANS : a2s/2k × log(b/a) ×log(To-T1/To-T2)

Grade:12th pass

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