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At a potential difference of
PHYSICS · Subjective · A Level · Physics · Electricity · Electricity
Problem
At a potential difference of
2.5
V
2.5\,\text{V}
2.5
V
, the tangent to the non-linear
I
I
I
–
V
V
V
curve of a semiconductor device has a slope of
0.040
A
/
V
0.040\,\text{A}\!\!/\!\text{V}
0.040
A
/
V
. Determine the instantaneous resistance of the device at
2.5
V
2.5\,\text{V}
2.5
V
.
Related theory
Ohm's Law (Macroscopic)
Ohm's law, V-I graphs and ohmic/non-ohmic conductors
Current Electricity
Ohm's law and V-I graphs
Electricity
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Electric Circuits
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