W = 1/2*L*I^2 = 1/2*L*4 = 0.2, L = 0.1H
W' = 1/2*0.1*25 = 1.25J
27 已知某一電感器在通過 2 A 電流時,其儲存的能量為 0.2 焦耳,則當電..-阿摩線上測驗