(1) A 1KHZ alternating current has a peak value of 75 mA. i = Ip sin(360 f t)° (a) What is the time period T of this current ? Time Period, T = ms What will be the value of the instantaneous current i at the following times, t: (b) 750 µs (c) 2.4 ms (d) 4ms ? (b) i = mA (c) i = mA (d) i =

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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.