Calculate the amount of energy stored in a laptop battery that requires 2 hours to charge from 0% to 100% when not in use. Assume the AC adapter of the laptop has an output voltage rating of 19 volt, and current rating of 3.65 A.   Question 3 options:   69 kJ   136 kJ   365 kJ   499 kJ

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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.