E1 R₁ w 20 Ω 0.5 Ω b R3 ли 8Ω 12 R₂ 602 E3 g E2 R w 15 Ω 0.25 Ω EA w 0.75 £2 0.5 Ω

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Resistor and RC Circuits 

Problem 12:   Consider the circuit in the figure, with the current directions defined as shown. There are four resistors in this circuit (R1R2R3, and R4) and four batteries with emfs 1 = 15.5 V, 2 = 3.5 V, 3 = 14 V, and 4 = 27.3 V, each with internal resistance given by ri as marked in the figure.

Part (a)  Calculate the current I1 in amps. 

Part (b)  Calculate the current I2 in amps. 
Part (c)  Calculate the current I3 in amps. 

E1
R₁
w
20 Ω
0.5 Ω
b
R3
ли
8Ω
12
R₂
602
E3
g
E2
R
w
15 Ω
0.25 Ω
EA
w
0.75 £2
0.5 Ω
Transcribed Image Text:E1 R₁ w 20 Ω 0.5 Ω b R3 ли 8Ω 12 R₂ 602 E3 g E2 R w 15 Ω 0.25 Ω EA w 0.75 £2 0.5 Ω
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