Ohm's Law Calculator

Science - Physics - Electricity 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 Current Given Resistance And Voltage

Resistance (R)
Voltage (E)

Resistance (R)
= 0
= 0
ohm
Voltage (E)
= 0
= 0
volt

Current (amp)
= NOT CALCULATED

Other Units:

Change Equation
Select to solve for a different unknown
 Solve for power given voltage and current Solve for power given resistance and current Solve for power given resistance and current Solve for current given resistance and voltage Solve for current given power and voltage Solve for current given power and resistance Solve for resistance given power and current Solve for resistance given voltage and power Solve for resistance given voltage and current Solve for voltage given current and resistance Solve for voltage given current and power 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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By Jimmy Raymond

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