DC and Transient Circuit Analysis

Authored by: Carlotta A. Berry , Deborah J. Walter

The Industrial Electronics Handbook

Print publication date:  March  2011
Online publication date:  April  2016

Print ISBN: 9781439802793
eBook ISBN: 9781439802809
Adobe ISBN:


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Direct current (DC) circuit analysis is the study of circuits with a constant voltage or current source. The most popular example of a DC circuit is a battery and a light bulb. A DC circuit contains an active circuit element (i.e., battery) capable of generating electric energy. These electric sources convert nonelectric energy to electric energy (i.e., a voltage or current). Independent electric sources produce a constant voltage or current in the circuit regardless of the current through or voltage across the source. The symbols for an ideal DC voltage and current source are shown in Figure 1.1. It should be noted that an ideal voltage and current source can deliver or absorb power to an electric circuit. An example of an ideal voltage source absorbing power is a rechargeable battery.

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