4.
P
Ly I
Req
4?
5?
5?
3?
5?
•
5?
7?
5?
5?
6?
+ Vx
(A) Determine the value for $R_{eq}$, which is the equivalent resistance looking into the
terminal pair P-Q. Show your work. (6 pts).
(B)
If a 6V independent DC voltage source is connected to the terminals
P and Q as indicated in the diagram, determine the value for $V_x$. (4 pts)
P
+
6V
Q