Calculadora de la Ley de Ohm — Fórmula
How Ohm's Law Works
Ohm's Law links voltage, current, and resistance.
Formula
V = I x R
Where:
Rearranging gives R = V / I and I = V / R. Power is P = V x I.
Ejemplo Resuelto
A 12 V battery drives 0.5 A through a resistor.
- Resistance R = V / I = 12 / 0.5 = 24 ohms
- Power P = V x I = 12 x 0.5 = 6 W