Ohm's Law, Resistance and Resistivity

Physics

diagram

numericals on resistance

Where R is electrical resistance, V the potential difference, I is the electric current.

law

Ohm's Law

According to Ohm's Law, the current flowing in a conductor is directly proportional to the potential difference across its ends provided the physical conditions and temperature of conductor remains constant.

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Dependence of Resistance on Shape, Size,Resistivity and Temperature

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