olve in digital format please Domestic electricity is supplied in the form of alternating current that varies from 155V to -155V with a frequency of 60 cycles/s. The vote is given by the equation E(t)=155 sin (120πt) where t is the time in seconds. Voltmeters read the RMS (root mean square) voltage, which is the square root of the average value of [E(t)]2 over one cycle. a) Calculate the RMS voltage of the household current. b) Many electric stoves require an RMS voltage of 220 V. Find the corresponding amplitude A needed for the voltage E(t)=Asin (120πt)

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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.