Ohm's Law (Formulas)

Formula; Calculating Current using Power and Resistance

(P/R) [To the power of 1 half]

Formula; Calculating Voltage using Current and Resistance

I x R

Formula; Calculating Power using Current and Resistance

I(Squared) x R

Current

Measured in Amperes (Amps) Represented by the letter "I"

Resistance

Measured in Ohms Represented by the letter "R"

Voltage

Measured in Volts Represented by a V (Sometimes an "E" for Energy)

Power

Measured in Watts Represented by the letter "P"

Formula; Calculating Voltage using Power and Current

P/I

Formula; Calculating Resistance using Power and Current

P/I(Squared) (Just the current is squared)

Formula; Calculating Current using Power and Voltage

P/V

Formula; Calculating Power using Voltage and Current

V x I

Formula; Calculating Power using Voltage and Resistance

V(Squared) divided by R

Formula; Calculating Resistance using Voltage and Power

V(Squared)/P

Formula; Calculating Resistance using Voltage and Current

V/I

Formula; Calculating Current using Voltage and Resistance

V/R

Formula; Calculating Voltage using Power and Resistance

(P x R)[To the power of 1 half]