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Question
The following figure shows the I-V characteristic curves for two resistors. Identify the ohmic and non-ohmic resistors. Give a reason for your answer.
 |
 |
| (a) | (b) |
Answer in Brief
Solution
Graph (a) is non-ohmic resistor and
Graph (b) is ohmic resistor.
The I-V graph for (b) is a straight line or linear, while for (a) the graph is a curve.
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Ohmic and Non-ohmic Resistors
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