derivation of ohm's law
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which is nothing but the linear relationship between current (density) " j = I A " and electric field (potential gradient) " E = U d " that is stated by Ohm. In my opinion, the mathematical equation we call Ohm's Law is best taken not as a “law”, a fact about the universe, but as the definition of resistance.
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The Ohm's Law gives a relationship between current and potential difference.
According to Ohm's Law, the current flowing through a conductor is directly proportional to potential difference across it's ends.
that is I is proportional to V.
that is V = R*I where R is a constant called resistance of a conductor.
V = R * I
Where V= Potential difference
R=Resistance ( which is constant)
I= Current
According to Ohm's Law, the current flowing through a conductor is directly proportional to potential difference across it's ends.
that is I is proportional to V.
that is V = R*I where R is a constant called resistance of a conductor.
V = R * I
Where V= Potential difference
R=Resistance ( which is constant)
I= Current
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