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.

Problem:

Solve for Resistance Given Voltage and Current

Resistance Given Voltage and Current

Enter Inputs:

Current (I)
Voltage (E)

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Solution:

Enter input values and press Calculate.

Solution In Other Units:

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Input Conversions:

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Change Equation or Formulas:

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power given voltage and currentSolve for power given voltage and current
power given resistance and currentSolve for power given resistance and current
power given resistance and currentSolve for power given resistance and current
current given resistance and voltageSolve for current given resistance and voltage
current given power and voltageSolve for current given power and voltage
current given power and resistanceSolve for current given power and resistance
resistance given power and currentSolve for resistance given power and current
resistance given voltage and powerSolve for resistance given voltage and power
resistance given voltage and currentSolve for resistance given voltage and current
voltage given current and resistanceSolve for voltage given current and resistance
voltage given current and resistanceSolve for voltage given current and power
voltage given current and resistanceSolve 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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