There is no 'point on a graph' which represents Ohm's Law. It's the shape of the graph that determines whether Ohm's Law applies.
If a graph is drawn showing the resulting variation in current for changes in voltage then, for Ohm's Law to apply, the graph must be a straight line.
If the resulting graph is not a straight line, then Ohm's Law doesn't apply.
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ohms law.
"I" represents the current which is the flow of electric charge. Impedance is the measure of the opposition to the flow of current at a given voltage usually in a.c. circuits.
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