Watt’s Law
According to the Watt’s Law the total power of the circuit is equal to the product of the current and voltage of the circuit. By using this formula you can even calculate the voltage and current if you have the other two values. The formulas follow the Watts’s law triangle,
P= VI
Where, P represent Power,
V represents Voltage and
I represents Current.
V represents Voltage and
I represents Current.
Power (P) = Voltage (V) x Current (I)
Voltage (V) = Power (P) ÷ Current (I)
Current (I) = Power (P) ÷ Voltage (V)
Voltage (V) = Power (P) ÷ Current (I)
Current (I) = Power (P) ÷ Voltage (V)
As, we know this calculator calculates the Power in Watts using the current and voltage value. What if you don’t have one of them or you have the resistance value of the circuit. For theoretical calculation you can use the below mentioned formulas:
Power = (Voltage) 2 ÷ Resistance
Power = (Current) 2 x Resistance
Power = (Current) 2 x Resistance
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