The temperature coefficient of resistivity for the metal gold is 0.0034 (Cº)-¹, and for tungsten it is 0.0045 (Cº)-¹. The resistance of a gold wire increases by 8.1 percent due to an increase in temperature. For the same increase in temperature, what is the percentage increase in the resistance in a tungsten wire? Number i Units

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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.