Q.4b Consider the diode circuit shown below. Assume both diodes are silicon-based diodes with turn-on voltage VD = 0.7 and ro = 0n. D1 ID2 IL D2 3.3kn 20V 5.5kn Fig.4b ) Determine currents Ip1,Ipz and IL. clearly state your assumption and verify it. ii) Determine the power dissipated in each diode (PDi and Poz).

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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.