In a typical experiment performed to measure the electrical equivalent of heat, the following data are obtained: current drawn, 2.00 A; applied voltage, 3.00 V; mass of water, 122 g; mass of calorimeter, 30.8 g; specific heat of calorimeter, 0.100 cal/g Cº; time of run, 3 minutes; initial temperature of water, 25.5 °C; final temperature of mixture, 27.5°C. Find the value of J from these data.

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