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The circuit below is a simplified schematic of typical wiring in a house. You have 240 V coming from the utility pole that is then split into two 120 V sections as shown, with a neutral wire between them (modeled as Rn). Then, you have two Rw which model the wiring resistance in the building. R1 and R2 model parallel- connected 120 V lights and outlets, while R3 models a kitchen oven that uses the full 240 V. Rw and Rn = 0.1 W, R1 = 15 W, R2 = 5 W, and R3 = 8 W. A) Use mesh analysis to determine the three circuit currents. B) Now let's suppose a fault causes the neutral wire to become an open circuit, such that Rn = 1 GW now. Compute the new mesh currents and node voltages. Comment on the impact that his fault has on the load voltages. 120V 120 V Rw M Rr ww R FR₁ R₂ R3

The circuit below is a simplified schematic of typical wiring in a house. You have 240 V coming from the utility pole that is then split into two 120 V sections as shown, with a neutral wire between them (modeled as Rn). Then, you have two Rw which model the wiring resistance in the building. R1 and R2 model parallel- connected 120 V lights and outlets, while R3 models a kitchen oven that uses the full 240 V. Rw and Rn = 0.1 W, R1 = 15 W, R2 = 5 W, and R3 = 8 W. A) Use mesh analysis to determine the three circuit currents. B) Now let's suppose a fault causes the neutral wire to become an open circuit, such that Rn = 1 GW now. Compute the new mesh currents and node voltages. Comment on the impact that his fault has on the load voltages. 120V 120 V Rw M Rr ww R FR₁ R₂ R3

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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9. The circuit below is a simplified schematic of typical wiring in a house. You have 240 V coming from the utility pole that is then split into two 120 V sections as shown, with a neutral wire between them (modeled as Rn). Then, you have two Rw which model the wiring resistance in the building. R1 and R2 model parallel- connected 120 V lights and outlets, while R3 models a kitchen oven that uses the full 240 V. Rw and Rn = 0.1 W, R1 = 15 W, R2 = 5 W, and R3 8 W. A) Use mesh analysis to determine the three circuit currents. B) Now let's suppose a fault causes the neutral wire to become an open circuit, such that Rn 1 GW now. Compute the new mesh currents and node voltages. Comment on the impact that his fault has on the load voltages. dre 120 V Rw 4 Rr m €2² M R₁ 23 M = R3
Transcribed Image Text:9. The circuit below is a simplified schematic of typical wiring in a house. You have 240 V coming from the utility pole that is then split into two 120 V sections as shown, with a neutral wire between them (modeled as Rn). Then, you have two Rw which model the wiring resistance in the building. R1 and R2 model parallel- connected 120 V lights and outlets, while R3 models a kitchen oven that uses the full 240 V. Rw and Rn = 0.1 W, R1 = 15 W, R2 = 5 W, and R3 8 W. A) Use mesh analysis to determine the three circuit currents. B) Now let's suppose a fault causes the neutral wire to become an open circuit, such that Rn 1 GW now. Compute the new mesh currents and node voltages. Comment on the impact that his fault has on the load voltages. dre 120 V Rw 4 Rr m €2² M R₁ 23 M = R3
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