Answered: (b) Determine whether the ideal diode…

(b) Determine whether the ideal diode of Figure Q4b is conducting, where Vs = 12 V; V8 = 11 V; R, = 5 0; R2 = 10N; R, = 10 0. + VD - R1 R3 V3 Figure Q4b ww

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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Concept explainers

Dielectric Breakdown

A dielectric is a material with low electrical conductivity and so is classified as an insulator. Dielectric materials are used to block the flow of electricity through them, allowing them to behave as an insulators. They can also be used to store electric charge or improve capacitance.Dielectrics have no free electrons for conduction because electrons are tightly bound to the nucleus. Because dielectrics contain a small number of electrons for electrical conductivity, they have a dipole. The two primary roles of dielectrics in electrical devices are insulation and electrical energy storage. An electric field polarizes the dielectric, and the polarization of the molecules allows dielectric materials to store charge.

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Example 7:-

(b) Determine whether the ideal diode of Figure Q4b is conducting, where Vs = 12 V; V8 = 11
V; R, = 5 0; R2 = 10N; R, = 10 0.
+ VD -
R1
R3
V3
Figure Q4b
ww

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