Online Ohm's Law calculator
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Ohm's Law calculator
Enter 2 values to get the other values and press the Calculate button:
Ohm's regulation estimation formula
The current I in amps (A) is equivalent to the voltage V in volts (V) partitioned by the opposition R in ohms (Ω):
I = V/R
Example
I = 20V/10ω = 2A
The power P in watts (W) is equivalent to the voltage V in volts (V) times the ongoing I in amps (A):
P = V × I
AC Ohm's law calculator
Enter 2 values of magnitude+phase angle to get the other values and press the Calculate button:
AC Ohm's regulation estimation formula
The voltage V in volts (V) is eqaul to the ongoing I in amps (A) times the impedance Z in ohms (Ω):
V(V) = I(A) × Z(ω) = (|I|×|Z|) ∠ (θI + θZ)
The complex power S in volt-amps (VA):
S(VA) = (|V|×|I|) ∠ (θV - θI)
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