6. A series circuit is comprised of 2 resistors R1 = 500 ohms and R2 = 1000 ohms and a capacitor of C = 470mF. The combination is suddenly connected across a 50V dc supply battery. Determine the time constant and the time when the capacitor charge reaches 20Coulombs.

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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.