EE 210
Hour Exam 2
Name_______________
October 17, 2013
1. Find the Thevenin equivalent circuit for the circuit in the figure below. Show all work.
2. The following op-amp circuit the value of Rf is 10K. The 1 KHz sinusoid at right is an
input. Sketch, on the same axis, the output signal.
3. Find the Thevenin equivalent circuit for the circuit below at A-B. Show all work.
4. In the circuit below Vo = -1 volt. Find Vi. Show all work.
5. Find the Thevenin equivalent circuit for the circuit shown below. Show all work.
6. In the circuit below all resistors are 1k. Fill in the A and b matrices for the nodal
equations for the circuit.
__
__  V A   __ 
 __
   

   

__
__  VB  =  __ 
 __
   

   

 __
__
__  VC   __ 
A matrix
b matrix
7. Answer the questions below about the circuit shown.
A) Write the mesh equation for I1.
B) Find the value of Vx
Circuit for problem 7
C) Find the open circuit voltage at A-B
D) Find the short circuit current at A-B
E) Draw the Thevenin equivalent circuit.
8. For each circuit below find the value of Vo if Vi = 5 volts.
A)
B)
C)
Vo = _______________
Vo = _________
Vo = __________
9. In the circuit below Ri = RL = 2K. Answer the following questions.
A) What is the total power produced by the current source.
B) What is the total power dissipated by RL?
C) If Ri is doubled to 4K, what will be the power dissipate by RL?
10. Find the voltage between points A and B in the circuit below.