Ohm's law states that V=IR where V is the voltage in volts (V), I is the current and R is the resistance in ohms (2). In an experiment to verify Ohm's law, the resistance of a circuit is increased from 1.0 2 to 10.0 2, and the corresponding current is recorded at a constant voltage of 10.0 V. The table below shows the results of the experiment. a. b. R (2) /(A) 1.0 2.0 3.0 9.8 5.2 3.0 4.0 5.0 6.0 7.0 2.3 2.0 1.7 1.5 8.0 9.0 1.3 1.1 10.0 1.0 Identify the dependent and independent variables. Make a graph with the dependent variable on the y-axis and the independent variable on the x-axis.

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Ohm's law states that V=IR where V is the voltage in volts (V), I is the current in amperes (A),
and R is the resistance in ohms (2). In an experiment to verify Ohm's law, the resistance of a circuit
is increased from 1.0 2 to 10.0 2, and the corresponding current is recorded at a constant voltage of
10.0 V. The table below shows the results of the experiment.
a.
b.
C.
d.
e.
dan
R (Ω)
(A)
O
1.0 2.0 3.0 4.0 5.0 6.0
9.8 5.2 3.0 2.3 2.0
7.0
1.5
1.7
8.0
1.3
9.0
1.1
10.0
1.0
Identify the dependent and independent variables.
Make a graph with the dependent variable on the y-axis and the independent variable on the
x-axis.
Did you get a linear graph? If not, linearize your graph.
For your graph, draw the best fit line. Determine the slope of the line. What does the slope
represent?
Can you get the voltage out of your graph? If yes, how? Compute the percent error of your
voltage. Use 10.0 V as the accepted value.
Transcribed Image Text:Ohm's law states that V=IR where V is the voltage in volts (V), I is the current in amperes (A), and R is the resistance in ohms (2). In an experiment to verify Ohm's law, the resistance of a circuit is increased from 1.0 2 to 10.0 2, and the corresponding current is recorded at a constant voltage of 10.0 V. The table below shows the results of the experiment. a. b. C. d. e. dan R (Ω) (A) O 1.0 2.0 3.0 4.0 5.0 6.0 9.8 5.2 3.0 2.3 2.0 7.0 1.5 1.7 8.0 1.3 9.0 1.1 10.0 1.0 Identify the dependent and independent variables. Make a graph with the dependent variable on the y-axis and the independent variable on the x-axis. Did you get a linear graph? If not, linearize your graph. For your graph, draw the best fit line. Determine the slope of the line. What does the slope represent? Can you get the voltage out of your graph? If yes, how? Compute the percent error of your voltage. Use 10.0 V as the accepted value.
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