19 如圖所示之電路若 I1 = 1 A,I2 = 0.5 A,R1 = 5 Ω,R2 = 2 Ω 求 ix 為何?
(A) 2.5 A
(B) 1.5 A
(C)-0.5 A
(D)-2 A
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統計: A(17), B(409), C(27), D(6), E(0) #3049438
統計: A(17), B(409), C(27), D(6), E(0) #3049438