直流:
P = 80^2 / 8 = 800
交流:
XL = j6 ; Z = 10
V = 40 / 庚號2
S = V^2 / Z = 80
P = 64
pF = P / S = (64 + 800) / (80 + 800)
25. 有一電壓源V(t) = 80+40sin3t V,與R、L串聯,R=8 ..-阿摩線上測驗