Name: Jason Vazquez
Partner: Xing Lin
TA: Faisal Yaqoob
Experiment #3
Ohm’s Law
Equations:
(1)
V = I x R
(2)
R
Series
= R
1
+ R
2
(3)
1/R
Parallel
= 1/R
1
+ 1/R
2
Procedure:
One Resistor Setup:
Connect power to the 012V terminals, with the voltage turned to a minimum to start
with. The multimeter measuring current should be on the 20mA scale, with the voltage
turned to minimum to start with. Using excel and plot the voltage as a function of the
current in amplitude. Using the slope of the graph determine the average resistance. Read
the resistor code and determine the average resistance of the resistor. Notice the
consistency of resistance.
Light Bulb:
Perform the same procedure, however removing the resistor, add the light bulb. Again
graph at various voltages correlating with the amplitude.
Series Resistors:
Set up a resistor circuit utilizing two resistors in series. Perform the same experiment as
previous; however, do note the difference in range and again check for consistency and
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 Spring '08
 N/A
 Resistor, Electrical resistance, Xing Lin TA, Jason Vazquez, resistor code

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