3 V Given R1 = 6k, R2 = 4k, address following questions/tasks: (1) Which diode is forward biased, D1 or D2, or both? (2) For the conducting diode(s), determine the diode current(s). (3) For the reversed diode(s), determine diode reverse voltage(s). 부모 D1 A D2 B # 10 V w R1 1.4. R2 www

3 V Given R1 = 6k, R2 = 4k, address following questions/tasks: (1) Which diode is forward biased, D1 or D2, or both? (2) For the conducting diode(s), determine the diode current(s). (3) For the reversed diode(s), determine diode reverse voltage(s). 부모 D1 A D2 B # 10 V w R1 1.4. R2 www

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 4RQ: What is the difference between a diode and rectifier?

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Photoconductive Cell

Photoconductive cells are light-sensitive resistors in which resistance is inversely proportionated to light intensity when illuminated. These devices consist of a thin single-crystal or polycrystalline film of composite semiconductor materials. Cadmium sulfide (CdS) is used to make the most commercially available photoconductive particles which are sensitive to light in the visible spectrum. Other less commonly used substances respond to infrared light, but not to the visible spectrum. Such substances are lead sulfide (PbS), lead selenide (PbSe), and lead telluride (PbTe), and so on.

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