what is Ohm's law?
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Ohm's Law is the mathematical relationship among electric current, resistance and voltage. The principle is named after the German scientist Georg Simon Ohm. ... If a DC power source providing E volts is placed across a resistance of R ohms, then the current through the resistance is equal to E/R amperes.
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Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points. ... More specifically, Ohm's law states that the R in this relation is constant, independent of the current.
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