Ohm's Law - MeitY OLabs
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Ohm's Law :-
Ohm's Law deals with the relationship between voltage and current in an ideal conductor. It states that: " The potential difference (voltage) across an ideal conductor is proportional to the current through it". The constant of proportionality is called the "resistance", R.
Ohm's Law is given by:V = I R, where V is the potential difference between two points which include a resistance R. I is the current flowing through the resistance. The law was named after the German physicist Georg Ohm. Ohm's Law can be used to solve simple circuits.
This video explains how to determine the resistance per centimeter of a given wire by plotting a graph of potential difference versus electric current.