4. The circuit of problem #3 has a 99 resistor connected between the source and node A as shown below. Determine the new values for V₁, VB, Vc, and V₁ (include polarity). In addition answer these two questions, is the voltage across the 49 resistor equal to VB? Is the voltage across the 392 resistor equal to Vc? Justify your two answers. 20V 9 4 B 00 8 www A www 9
4. The circuit of problem #3 has a 99 resistor connected between the source and node A as shown below. Determine the new values for V₁, VB, Vc, and V₁ (include polarity). In addition answer these two questions, is the voltage across the 49 resistor equal to VB? Is the voltage across the 392 resistor equal to Vc? Justify your two answers. 20V 9 4 B 00 8 www A www 9
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
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.61P
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Step 1: Determine voltages at nodes A,B,C and D:
VIEWStep 2: Apply nodal analysis at node A to find node voltage at node A:
VIEWStep 3: Find voltages at nodes A and B:
VIEWStep 4: Find voltages at nodes C and D:
VIEWStep 5: Checking voltage at node C is equal to voltage across 3 Ω or not:
VIEWStep 6: Justification:
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