Ohm's Law Calculator
Calculate voltage, current, or resistance using Ohm's Law (V = IR)
Ohm's Law Calculator
Calculate voltage, current, or resistance using Ohm's Law (V = IR)
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Formula
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Voltage (V) is calculated by multiplying current (I) by resistance (R). This is derived from Ohm's Law, which states that the voltage across a conductor is directly proportional to the current flowing through it.