Calculate the equivalent resistances (???) of the following circuits. (The resistance value of the diodes in the conduction will be taken as 0, the resistance values of the diodes in the insulation will be taken as infinity. R1=10 ohms)

Calculate the equivalent resistances (???) of the following circuits. (The resistance value of the diodes in the conduction will be taken as 0, the resistance values of the diodes in the insulation will be taken as infinity. R1=10 ohms)

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter17: Commercial And Industrial Air-conditioning Control Systems

Section: Chapter Questions

Problem 22RQ

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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.

Question

A- Calculate the equivalent resistances (???) of the following circuits. (The resistance value of the diodes in the conduction will be taken as 0, the resistance values of the diodes in the insulation will be taken as infinity. R1=10 ohms)

B- Explain P and N type items by drawing figures. Explain the element formed by the non-polar combination of these substances by drawing a figure.

D1
D1
ER, D2
R Z D2
Rin
R1
Rin
Rin
D,
(c)
(b)
(a)
WH

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