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Formulary Electric Power


Voltage and current determine the electricalpower

Electric power is proportional to the voltage and the current strength, i.e. if one of the two values is increased by a certain factor, the power increases with the same factor.

P = U · I

      P
U =
        I

     P
I =
       U

Check your calculation!     You need help?
Please enter numbers only in two of the three fields!
U Voltage V (Volt)
I Current strength A (Ampere)
P Performance W (Watt)

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