The waveforms in the figure below are applied to a comparator. (This might typically be used in an electronic circuit, that compares light from various sensors, and looks at various combinations.) Determine the output (A=B) waveform.

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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.