DO NOT FORGET TO WRITE YOUR NAME!! G02 Name: Number: Date: 31/03/2017 EENG 225 Fundamentals of Electrical Engineering Spring 2016-2017 Quiz I Instructor: Mohammad N. Sabet Q1. In the following circuit , use Nodal analysis to find the currents , 5Ω 20 V 1 A + - 10 Ω i2 i1 Q1 T 100 Time: 9.30-10.00 V x Apply KCL at node V x , assuming all currents are leaving the node(You can do this by redrawing the circuit and temporarily ignore all the unknown to proceed with the analysis) (V x -20) 5 + V x 10 - 1=0 V x =16.6 V From the original circuit and given current directions: i 1 = (20-V x ) 5 *: Be carefull on current direction i2= V x 10 v=20 v (Listen to my voice stick by double clicking on icon)
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DO NOT FORGET TO WRITE YOUR NAME!! G02
Name: Number:
Date: 31/03/2017
EENG 225 Fundamentals of Electrical Engineering
Spring 2016-2017 Quiz I
Instructor: Mohammad N. Sabet
Q1. In the following circuit , use Nodal analysis to find the currents ,
5Ω
20 V 1 A+- 10 Ω i2
i1
Q1
T 100
Time: 9.30-10.00
Vx
Apply KCL at node Vx , assuming all currents are leaving the node(You can do this by redrawing the circuit and temporarily ignore all the unknown to proceed with the analysis)
(Vx-20) 5
+Vx10 - 1=0
Vx=16.6 V
From the original circuit and given current directions:
i1=(20-Vx)
5*: Be carefull on current direction
i2= Vx
10
v=20 v
(Listen to my voice stick by double clicking on icon)
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