How It Works
Ohm's Law: V = I × R. Cover any value in the triangle to see the formula. If voltage is 12V and resistance is 6Ω, current is 2A. Double the voltage, double the current.
Adjust V, I, or R — the third value calculates
Ohm's Law: V = I × R. Cover any value in the triangle to see the formula. If voltage is 12V and resistance is 6Ω, current is 2A. Double the voltage, double the current.