18. 匝數分別為800匝和1000匝的X線圈與Y線圈,若X線圈通過5A電流時,產生 4 x 10-4 Wb 磁通量,其中80%交鏈至Y線圈,則X線圈自感L及兩線圈互感M分別為何?
(A) L = 72mH,M = 64mH
(B) L = 64mH,M = 64mH
(C) L = 40mH,M = 70mH
(D) L = 40mH,M = 72mH
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統計: A(2), B(31), C(13), D(3), E(0) #1898534
統計: A(2), B(31), C(13), D(3), E(0) #1898534