Figure 1.1 Explanation 5 points: Set of equations: 2 points... Problem 6: 10 points Find the values Ia and Ra for the Norton equivalent for the circuit below.
Trang 1Intro to ECE – Homework 3 (74 points) Problem 1: (20 points)
a Use Node Method to solve for V A , V B , V C
b What will be changed if R 5 is inserted (Figure 1.1 b)
Figure 1.1 Explanation (5 points):
Set of equations:
(2 points)
Trang 2
Result of equations
(2 points)
Explanation (5 points):
Final result:
(2 points)
Result when inserting the R 5 : (2 points)
Explanation ( 2 points):
VA =
VB =
VC =
Trang 3
Problem 2: Use KVL, KCL to find out I 1 , I 2 , I 3 (12 points)
Figure 2.1 Explanation (6 points):
Set of equations:
(3 points)
Final result:
(3 points)
I1 =
I2 =
I3 =
Trang 4Problem 3: Use KVL, KCL to find out i and u 0 by E and α (12 points)
Figure 3.1 Explanation (6 points):
Set of equations:
(3 points)
Final result:
(3 points)
i =
u0 =
Trang 5Problem 4: Use KVL, KCL to find out U 0 , I x (12 points)
Figure 4.1 Explanation (6 points):
Set of equations:
(3 points)
Final result:
(3 points)
Ix =
U0 =
Trang 6Problem 5: (8 points)
a Find E th and R th so that Circuit A equivalent to Circuit B
b Find I from circuit B
Figure 5.1 Explanation (5 points):
Result:
(3 points)
Rth =
Eth =
I =
Trang 7Problem 6: (10 points)
Find the values (Ia and Ra) for the Norton equivalent for the circuit below
Figure 6.1 Explanation (7 points):
Result:
(3 points)
Ra =
Ia =