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Question

What does the slope of V-I graph for a conductor represent?

A
Capacitance
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B
Power
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C
Inductance
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D
Resistance
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Solution

The correct option is D Resistance
Below is the graph representing the voltage and current in a conductor at constant temperature.
In this graph, the current I against the potential difference V, is a straight line with constant slope 1/R as the relation is linear and ohmic. However, practical resistors may exhibit non-linear behaviour under certain conditions for example, when exposed to high temperatures.
Hence, the slope represents the resistance of the circuit.
229705_173123_ans.png

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