1. Do the polarities of the sources in Figure 6.1 matter as to the resulting voltages? Will the magnitudes of the voltages be the same if one or both sources have an inverted polarity? 2. In circuit of this exercise the negative terminals of the sources are connected to ground. Is this a requirement for nodal analysis? What would happen to the node voltages if the positions of E1 and R1 in Figure 6.1 were swapped? R1 E1 A www R3 R4 B mw R5 m R2 E2

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1. Do the polarities of the sources in Figure 6.1 matter as to the resulting voltages? Will the
magnitudes of the voltages be the same if one or both sources have an inverted polarity?
2. In circuit of this exercise the negative terminals of the sources are connected to ground. Is
this a requirement for nodal analysis? What would happen to the node voltages if the
positions of E1 and R1 in Figure 6.1 were swapped?
R1
E1
A
www
R3
R4
Figure 6.1
B
ww
R5
R2
E2
Transcribed Image Text:1. Do the polarities of the sources in Figure 6.1 matter as to the resulting voltages? Will the magnitudes of the voltages be the same if one or both sources have an inverted polarity? 2. In circuit of this exercise the negative terminals of the sources are connected to ground. Is this a requirement for nodal analysis? What would happen to the node voltages if the positions of E1 and R1 in Figure 6.1 were swapped? R1 E1 A www R3 R4 Figure 6.1 B ww R5 R2 E2
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