79. The realtove permeability of certain silicon steel is 4500. A certain magnetic loop consists of silicon steel of 0.0008m square, 0.007m long, and an air gap of 0.0009. What is the reluctance of the magnetic circuit? Gilbert per maxwell 84. Two point charges of 282 stat coulomb and 152 statcoulomb are 2.2 cm apart. If another point charge is placed in between the first two charges, what distance from the 152 statcoulomb charge should it be placed to maintain equilibrium? d= om 86.Calculate the capacitance of a capacitor that is charged to 19W-sby 2.1A-s source. C= F

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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.