Electric Current Through Conductors



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Contents

Concept of Current


Description: Current is the flow of electric charge through a conductor, measured in amperes, driven by voltage difference or electromotive force.


Electric Current & Drift Velocity


Description: Electric current is directly proportional to the drift velocity of charge carriers in a conductor


Ohm's Law


Description: Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it, given a constant resistance.


Ohmic & Non-ohmic Conductor


Description: Ohmic conductors follow Ohm's Law with constant resistance, while non-Ohmic conductors don't exhibiting variable resistance with changing voltage.


Specific Resistance, Temperature Coefficient


Description: Specific resistance, or resistivity, is a material's intrinsic resistance to current flow, while temperature coefficient indicates how resistance changes with temperature.


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