Calcometry
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Ohm's Law Calculator
Solve for any one unknown in Ohm's law given the other two values.
Ohm's law
V = I × R — pick the unknown, enter the other two.
Current (I)
2 A
V = I × R
- Formula
- V = I × R
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Ohm's law
Voltage (V) = Current (A) × Resistance (Ω). Assumes DC or RMS in simple resistive circuits.
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