A sinusoidal current is in phase with the voltage. It has an active power of 50 VARS and reactive power of 10 VARS. What is its apparent power? O 71 VARS 51 VARS 41 VARS 61 VARS

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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.