Ohm's Law
Calculates voltage U = I×R, current I = U/R, or resistance R = U/I.
Current
5,000 A
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Formula
U = I × R (V)
Example: 230 V = 5 A × 46 Ω
Methodology
U = I×R. Given any two values, the third is derived.
Example
I = 2 A, R = 10 Ω → U = 20 V.