EE 210
Hour Exam 1
Name___________________
September 12, 2013
1. In the circuit below Vx = 3 volts and Rx = 200Ω. Draw the graph for V vs i on the
coordinate system show.
2. For each circuit below find the value of v1 and i1. Show your work.
(a) v1 = ________
i1 = ________
(b) v1 = ________
i1 = ________
(c) v1 = ________
i1 = ________
(d) v1 = ________
i1 = ________
3. In Part A below the open circuit voltage VAB is measured and found to be 12 volts. In
Part B a 20Ω load resistor has been added and the voltage Vo is measured and found to be
just 9 volts. Find R1 and Vs. Show all work.
Part A
Part B
4. All of the resistors in the circuit below have a value of 2Ω. Find the resistance
between points A and B.
5. In the circuit below find the value of I1 and I2 if the current source is producing 3
amps.
6. A) Replace the circuit below with a 10 volt source and a single equivalent resistor.
B) Find the value of i1. Show all work
7. Find the value of i1 and i2 in the circuit below. R1 = 1 Ω, R2 = 2 Ω, and R3 = 3 Ω.
Show all work.
8. In the circuit below the resistor values are R1 = 10 Ω, R2 = 20 Ω, and R3 = 30 Ω. If R1
is dissipating 30 watts what the total power dissipation for the three resistors. Show your
work.
9. In the circuit below R1 = 1K, R2 = 6K, and R3 = 10K. Find the voltage Vo if the battery
voltage is VB = 15 volts. Show all work.