Question 1: We have a LED in series with 5K-ohm resistors with 12 V applied across the combination. The voltage across the LED is 2 V. What is the value of the current flowing through the circuit? (indicate the 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.