FLORIDA INTERNATIONAL UNIVERSITY
COLLEGE OF ENGINEERING AND COMPUTING
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
EEL 3110L-CIRCUITS LAB
FIRST ACTIVITY Measurements on simple resistive circuits
Set up of elementary resistive circuits, measurements of d.c. voltages, d.c. currents and do the
computer simulations before or after the lab (it’s recommended that you finish it before).
1-Set up the following circuit.
I
1
a
R
b
c
V
d
2 volts < V < 6.2 volts
R ≥ 2.7kΩ
Measure and tabulate:
Vab, Vbc, Vce, Vde, Vad, I1
Briefly explain your results.
e
2- Set up the following circuit.
I
1
V
a
R2
I
2
b
R1
c
e
d
1.2 volts < V ≤ 7.3 volts
R1 ≥ 3.3kΩ
R2 ≥ 2R1
Measure and tabulate Vab, Vbc, Vcd, Vde, Vad, I1 and I2.
Briefly explain your results.
3-Using the Ohmmeter, measure and tabulate Rab with the following condition.
a
R1
b
a) R1 ≫ R2
b) R1 ≪ R2
c) R1 = R2
Briefly explain and comment your results.
R2
4- Set up the following circuit.
a
R1
c
I
I1
R2
I2
V
b
V > 0 volts
With the set up above, measure Vab, I and compute
௏ೌ್
ூ
for the following condition:
a) R1 ≫ R2
b) R1 ≪ R2
c) R1 = R2
Also measure and tabulate I, I1, I2, Vac, Vcb as well as briefly comment and explain your results
for each cases.
5-Use Ohmmeter, measure and tabulate Rab
R1
a
b
a) R1 ≫ R2
b) R1 ≪ R2
c) R1 = R2
Briefly explain your results.
R2
6- Using the same set of values as before, set up the following circuit.
d
R1
e
f
R2
g
I1
a
I
c
I2
V
b
For the same set up above, measure Vab, I and compute
௏ೌ್
ூ
.
V > 0 volts
a) R1 ≫ R2
b) R1 ≪ R2
c) R1 = R2
Briefly comment and explain your results.
Also measure and tabulate I, I1, I2, Vde, Vfg, Vaf, Vad, and Vfc for all of the above conditions as
well as briefly comment your results.
Write a brief summary of today activities. Remember to keep your records and own
comments in your lab notebook.
GR/CC/DL Summer 2013