a) In an experiment using a copper made conductor, the resistance of the conductor which has a diameter of 0.1045 inches is 75 n. Assume conductivity of a copper as 5.8 X 10' S/m. Find the length of the copper conductor in meters. [1 inch = 0.0254 m]

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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.