Which of the following graphs represents an o | vedclass

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(A) According to Ohm's law,the potential difference $V$ across a conductor is directly proportional to the current $I$ flowing through it,provided the

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(A) According to Ohm's law,the potential difference $V$ across a conductor is directly proportional to the current $I$ flowing through it,provided the temperature and other physical conditions remain constant.$V \propto I$$V = IR$Where $R$ is the resistance,which is a constant for an ohmic resistor.This equation represents a straight line passing through the origin in a $V-I$ graph.Therefore,the graph showing a linear relationship between $V$ and $I$ represents an ohmic resistor.

Which of the following graphs represents an ohmic resistor?

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