Themes > Science > Physics > Electromagnetism > Electrostatics > Batteries, current, and Ohm's law > Batteries, current, and Ohm's law > Ohm's Law

In many materials, the voltage and resistance are connected by Ohm's Law:

Ohm's Law : V = IR

The connection between voltage and resistance can be more complicated in some materials.These materials are called non-ohmic. We'll focus mainly on ohmic materials for now, those obeying Ohm's Law.


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