Ohm’s Law
Enter any of the two values and then press “Calculate” to determine the other values.
What It Is
Ohm’s Law describes the relationships that exist between voltage, current, and resistance. Quantities of these properties are expressed in volts (V); amperes, “amps” (A); and ohms (Ω) respectively. The product of voltage and current is the applied power and is expressed in watts (W).
Essential Formulas
W = ExI
E = IxR
