Question: A certain integrated circuit operates at 70 degree Celsius and generates heat at the rate of 2.5 W. It is fixed to an aluminium rod

A certain integrated circuit operates at 70 degree Celsius and generates heat at the rate of 2.5 W. It is fixed to an aluminium rod 20 mm long and having a cross-sectional area of 50 mm2. The other end of the rod is attached to a finned heat sink. Determine the temperature of the heat sink if the integrated circuit temperature is to remain at 70 degree Celsius

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