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Electric Circuits 8th Edition 50

# Electric Circuits 8th Edition 50 - that each source supply...

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26 C cuit Etements Testing Interconnections of ldeal Sources Using t}le defidtions ofthe ideal independent volt- age and current sources, state which interconnec- tions in Fig. 2.3 are pemissible and which violate tlle constraints imposed by t}le ideal sources. Solution Conneclion (a) is valid. Each source supplies volt age aooss the same pair of terminals, marked a,b. This requires that each source supply the same volt- age witi the same polarity, which they do. Connection (b) is valid. Each source supplies current tbrough the same pair of terminals, marked a,b. This requires that eachsource supplythe same currentin the same direction, which they do. Conrection (c) is not permissible. Each source supplies voltage across the same pair of terminals, marked a,b. This requires
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Unformatted text preview: that each source supply the same voltage with the same polarity, which they Connection (d) is not permissible. Each source supplies currenr througl the same pair oI teminals, rnarked a,b. This requires that each source supply the same current in the same direction, which they Connection (e) is valid. The voltage source sup-plies voltage across the pair of terminals marked a,b. The current source supplies curent through the same pair of terminals. Because an ideal voltage source supplies the same voltage regardless of the current, and an ideal curent source supplies the sane current regardless of the voltage,this is a per-missible connection. Figur€ 2.3 a The c'rcuits for tuampte 2.1. 10v + \ / + L O V G) (b) 10v 5 V (d)...
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