Linear Resistor data Lightbulb data i(mA) v(V) i(mA) v(V) 0.0 0.00 0.0 0.000 19.0 0.50 11.7 0.588 25.4 1.00 19.9 0.998 31.2 1.50 29.8 1.495 36.3 2.00 39.8 1.997 41.0 2.50 ΔΩ 7 2 490

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter28: Overcurrent Protection–fuses And Circuit Breakers
Section: Chapter Questions
Problem 11R: State four possible combinations of service equipment that meet the requirements of 110.9 and 110.10...
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Linear Resistor data
Lightbulb data
i(mA)
v(V)
i(mA)
v(V)
0.0
0.00
0.0
0.000
19.0
0.50
11.7
0.588
25.4
1.00
19.9
0.998
31.2
1.50
29.8
1.495
36.3
2.00
39.8
1.997
41.0
2.50
49.7
2.490
45.5
3.00
59.8
3.000
49.6
3.50
69.7
3.500
53.5
4.00
79.7
4.000
57.1
4.50
89.8
4.500
60.8
5.00
99.7
5.000
64.2
5.50
109.6
5.500
67.4
6.00
119.5
6.000
70.6
6.50
129.6
6.500
73.7
7.00
139.5
7.000
76.6
7.50
149.5
7.500
79.5
8.00
159.5
8.000
82.3
8.50
169.6
8.500
85.1
9.00
179.5
9.000
87.8
9.50
189.4
9.500
90.4
10.00
199.4
10.000
Transcribed Image Text:Linear Resistor data Lightbulb data i(mA) v(V) i(mA) v(V) 0.0 0.00 0.0 0.000 19.0 0.50 11.7 0.588 25.4 1.00 19.9 0.998 31.2 1.50 29.8 1.495 36.3 2.00 39.8 1.997 41.0 2.50 49.7 2.490 45.5 3.00 59.8 3.000 49.6 3.50 69.7 3.500 53.5 4.00 79.7 4.000 57.1 4.50 89.8 4.500 60.8 5.00 99.7 5.000 64.2 5.50 109.6 5.500 67.4 6.00 119.5 6.000 70.6 6.50 129.6 6.500 73.7 7.00 139.5 7.000 76.6 7.50 149.5 7.500 79.5 8.00 159.5 8.000 82.3 8.50 169.6 8.500 85.1 9.00 179.5 9.000 87.8 9.50 189.4 9.500 90.4 10.00 199.4 10.000
Things to do:
1. Use the linear resistor data set to determine the value of the
linear resistor's resistance to three significant figures. Be
careful with the units. Remember that resistance is in units
of Ohms when voltage is in units of Volts and current is in
units of Amps (using the equation R = v/i). Explain how
you arrived at your value for resistance.
2. Add a column to the non-linear resistor's data set and
calculate the resistance exhibited by the component for
each different current. Again, be careful with the units. Use
the equation R = v/i to calculate the resistance at each
current value.
3. Predict the current drawn from a 6-V ideal voltage source
when the two components are connected in parallel with
the source.
4. Predict the current drawn from a 6-V ideal voltage source
when the two components are connected in series with the
source. Do this using graphical means as discussed in the
lecture that goes with this lab.
5. Use an Excel polynomial trendline of degree 3 to get the
equation of the best-fit curve through the non-linear resistor
data.
6. Re-do the series circuit current prediction from step 4 using
a different method. Do this using analytical means (using a
KVL and equations) as discussed in the lecture that goes
with this lab.
Transcribed Image Text:Things to do: 1. Use the linear resistor data set to determine the value of the linear resistor's resistance to three significant figures. Be careful with the units. Remember that resistance is in units of Ohms when voltage is in units of Volts and current is in units of Amps (using the equation R = v/i). Explain how you arrived at your value for resistance. 2. Add a column to the non-linear resistor's data set and calculate the resistance exhibited by the component for each different current. Again, be careful with the units. Use the equation R = v/i to calculate the resistance at each current value. 3. Predict the current drawn from a 6-V ideal voltage source when the two components are connected in parallel with the source. 4. Predict the current drawn from a 6-V ideal voltage source when the two components are connected in series with the source. Do this using graphical means as discussed in the lecture that goes with this lab. 5. Use an Excel polynomial trendline of degree 3 to get the equation of the best-fit curve through the non-linear resistor data. 6. Re-do the series circuit current prediction from step 4 using a different method. Do this using analytical means (using a KVL and equations) as discussed in the lecture that goes with this lab.
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