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Ohm's Law Calculator

Science - Physics - Electricity and Electric Current

The electrical relationships between resistance (R), current (I), power (P) and voltage (E) is defined by Ohm's Law. One ohm is defined as the resistance which allows the current of one ampere under a potential difference of 1 volt.


Solving For Power

Power


Inputs:

Voltage (E)
Current (I)



Conversions:

Voltage (E)
=0
=0
volt
Current (I)
=0
=0
amp


Solution:

Power (Watts)
=NOT CALCULATED 


Other Units:



Change Equation
Select an equation to solve for a different unknown

power given voltage and current
Solve for power given voltage and current
power given resistance and current
Solve for power given resistance and current
power given resistance and current
Solve for power given resistance and current
current given resistance and voltage
Solve for current given resistance and voltage
current given power and voltage
Solve for current given power and voltage
current given power and resistance
Solve for current given power and resistance
resistance given power and current
Solve for resistance given power and current
resistance given voltage and power
Solve for resistance given voltage and power
resistance given voltage and current
Solve for resistance given voltage and current
voltage given current and resistance
Solve for voltage given current and resistance
voltage given current and resistance
Solve for voltage given current and power
voltage given current and resistance
Solve for voltage given power and resistance

Where
P  =  power
E  =  voltage 
I  =  current 
R  =  resistance 



Reference - Books:

Unknown Author. "Ohms Law." the12volt.com technical information for mobile electronics installers. 2005. Ed. the12volt.com. 2 February. 2005 http://www.the12volt.com/ohm/ohmslaw.asp.


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