Consider a silicon pn junction at T= 300 K with acceptor doping concentrations of 101 cm and donor doping concentrations of 1015cm Calculate the width of the space charge region in the pn junction when a reverse biased voltage of 5 V is applied. Note/ n, = 1.5 x 10 cm E, = 1.035 x 10-F/cm

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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.