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]