Problem 4: Question You have been provided with the voltage and current data measured for an unknown electrical element (the measured voltage across the element and the corresponding current measured through the element). Plot this data (by hand or using MS Excel or Matlab) and determine if this element is a resistor. If it is a resistor, what is the resistance value of the resistor? Voltage (V) 1 2345 2 5 Current (A) 4.50 8.60 13.0 17.6 21.9

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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.