Lecture Notes 9_Reactive

If a current i ows positive change q will accumulate

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Unformatted text preview: ummary A capacitor is formed from two conducting plates separated by a thin insulating layer. If a current i flows, positive change, q , will accumulate on the upper plate. To preserve charge neutrality, a balancing negative charge will be present on the lower plate. There will be a potential energy difference (or voltage v ) between the plates proportional to q . d v = A q where A is the area of the plates, d is their separation and is the permittivity of the insulating layer ( 0 = 8.85 pF/m for a vacuum). E1.1 Analysis of Circuits (2013-3717) Capacitors and Inductors: 9 – 2 / 12 Capacitors 9: Capacitors and Inductors • Capacitors • Types of Capacitor • Inductors • Passive Components • Series and Parallel Inductors • Series and Parallel Capacitors • Current/Voltage Continuity • Average Current/Voltage • Buck Converter • Power and Energy • Summary A capacitor is formed from two conducting plates separated by a thin insulating layer. If a current i flows, positive change, q , wi...
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This document was uploaded on 02/20/2014 for the course EE 101 at WVU.

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