Ohms Law : I (A) = V (Volts) / R (Ohms)
Power(Watts) = V (Volts) / I (A)
Power(Watts) = I squared(A) x R (Ohms)
Reactive Impedance(XL) = 2pi x f l
These tables are to assist the electrical trade and are as such a rough guide and no responsibility will be accepted for incorrect application.