Thermal question. A system has two thermal layers. The first layer has a Rth 0.5 K/W, and Cth 0.8 J/K, and the second layer has a Rth 0.2 K/W, and Cth  0.4 J/K. The ambient air temperature is 50 °C. The power dissipation in the system is 100 W. What is the temperature of the second layer 5 s after a system is switched off? Please do not include any units in your answer.

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Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.