R = 302 Ω XL = ω * L = 2 * π * f * L= 2 * 3.14 * 50 * 1.66 = 521.24 Ω Z = (R^2 + XL^2)^0.5 = 602.4 Ω 1.I = U / Z = 220 / 602.4 = 0.3653 A 2.S = U * I = 220 * 0.3653 = 80.366 VA 3.P = I * I * R = 40.3 W 4.Q = ( S^2 - P^2)^0.5 = 69.53 Var 5.ψ = P / S = 0.501