Sample Problem: Determine I1, I2 and I3 given that Ɛ1 =5.00 V, E2= 10.00 V, E3= 12.00 V, R1 =2.00 2, R2 =3.00 2, and R3 =4.002. Solutions: The current for each branch is labeled and a direction for each current is assumed. There are only two junctions in the given circuit, A and B. The junction equation for points A and B are as follows: For junction A: 1-l2-l3 = 0 For junction B: -I1+ I2 + I3 = 0 (1) (2) The three loops that may be considered for the given circuit are shown on the right Starting with points A and going clockwise around each loop will yield the following loop equation. For loop 1: -ɛ1 + IR1 + IR2 + E2 = 0 (3) -5.00V + I1(2.002) + 12(3.000) + 10.00V = 0
Sample Problem: Determine I1, I2 and I3 given that Ɛ1 =5.00 V, E2= 10.00 V, E3= 12.00 V, R1 =2.00 2, R2 =3.00 2, and R3 =4.002. Solutions: The current for each branch is labeled and a direction for each current is assumed. There are only two junctions in the given circuit, A and B. The junction equation for points A and B are as follows: For junction A: 1-l2-l3 = 0 For junction B: -I1+ I2 + I3 = 0 (1) (2) The three loops that may be considered for the given circuit are shown on the right Starting with points A and going clockwise around each loop will yield the following loop equation. For loop 1: -ɛ1 + IR1 + IR2 + E2 = 0 (3) -5.00V + I1(2.002) + 12(3.000) + 10.00V = 0
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 1PP
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Can you explain to me in detail how we come up with these final answers to the sample problem:
for Current 1= 1.19A
Current 2= -2.46A
Current 3= 3.65A
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