2)what is process leads to lowering the number of free electrons?what is The Townsend's Criterion3)4) why Sulphur Hexafluorid has good insulation strength?5)6) why do bubbles lead to breakdown of liquid?7)What is Intrinsic Breakdownhow to decease the ripple voltage of cockroft-walton voltage multiplier circuit8)how much the maximum charging current of A Van de Graaff generator has a beltwidth 1 m, a belt speed of 4 m/s, and charge density of 10 µc/m2

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what is process leads to lowering the number of free electrons? what is The Townsend's Criterion why Sulphur Hexafluorid has good insulation strength?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.21MCQ

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Concept explainers

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.

Question

2)
what is process leads to lowering the number of free electrons?
what is The Townsend's Criterion
3)
4) why Sulphur Hexafluorid has good insulation strength?
5)
6) why do bubbles lead to breakdown of liquid?
7)
What is Intrinsic Breakdown
how to decease the ripple voltage of cockroft-walton voltage multiplier circuit
8)
how much the maximum charging current of A Van de Graaff generator has a belt
width 1 m, a belt speed of 4 m/s, and charge density of 10 µc/m2

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