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What conclusion can you draw from the following observations on a resistor made of alloy manganin?
Current A
Voltage V
0.2
0.4
0.6
0.8
1.0
2.0
3.94
7.87
11.8
15.7
19.7
39.4
3.0
4.0
5.0
6.0
7.0
8.0
59.2
78.8
98.6
118.5
138.2
158.0
