30.如圖(十九)所示,R1=8Ω、R2=2Ω、R3=8Ω、R4=4Ω、R5=4Ω、R6=16Ω,則電流I為何?
(A)8A
(B)6A
(C) 4 A
(D) 2 A
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統計: A(11), B(93), C(29), D(13), E(0) #2697271
統計: A(11), B(93), C(29), D(13), E(0) #2697271