Electrical Formulas

By: Dusty Arlia
Published on January 17, 2012
Last Updated on Wednesday, July 08, 2015 at 7:36 PM
Total Updates: 6

Symbol Key:

Formulas For Finding Amperage / Current:

  • I = V / R
  • I = W / V
  • I = (W / R)1/2

Formulas For Finding Resistance:

  • R = V / I
  • R = V2 / W
  • R = W / I2

Formulas For Finding Voltage / Electrical Potential:

  • V = R I
  • V = W / I
  • V = (W R)1/2

Formulas For Finding Wattage / Power:

  • W = V I
  • W = R I2
  • W = V2 / R

Comments:

Ad:

Ad: