An electronic circuit element consists of 23 mg of silicon. an electric current through the circuit adds heat at a rate of 7.4 x 10-3 j/s. at what rate does the temperature of the circuit element increase? assume that heat does not transfer from the circuit element to the environment. the specific heat capacity of silicon is .

Given that all the heat is absorbed by the silicon element, the calculation is:

Heat  =  m* specific heat * ΔT

Heat rate = heat / time = m * specif heat * ΔT / time

Where ΔT / time = temperature change rate, which is what you want to calculate

=> ΔT / time = heat rate / (m*specific heat)

You have:

heat rate = 7.4 * 10 ^-3 J/s

m = 23 mg = 23 * 10^ -3 g

Specific heat = 0.7 J / (g * °C),      taken from internet because you forgo to include the information.

=> ΔT / t = [7.4 * 10^ -3 J/s ] / [ 23 * 10^ -3 g * 0.7 J/ (g*°C) ]

=> ΔT / t = 0.46 °C / s

0.46°C / s  

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