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Ohm's Law and I-V Graphs
Worksheet
Grade Level
Physics
12.112 Ohm's Law and I-V Graphs
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In an I-V experiment, the data form a straight line, but the line misses the origin because the voltmeter was not zeroed. Which analysis is best?
A
Reject the data because no slope can be measured.
B
Correct the voltage offset, then check whether the slope stays constant.
C
Use the graph area as the resistance.
D
Assume the device is non-ohmic no matter how large the offset is.
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