Question: An electronic device dissipating 25 W has a mass of 20 g and a specific heat of 850 J/kg.C. The device is lightly used,

An electronic device dissipating 25 W has a mass of 20 g

An electronic device dissipating 25 W has a mass of 20 g and a specific heat of 850 J/kg.C. The device is lightly used, and it is on for 5 min and then off for several hours, during which it cools to ambient T of 25C. (a) Determine the highest possible T of the device at the end of the 5-min operating period. (b) What would your answer be if the device were attached to a 0.5-kg aluminum heat sink? Assume the device and the heat sink to be nearly isothermal. Electronic device, 25C

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