2.如圖所示電路中的 V1、V2 電壓為何?(台北捷運 112)
(A)V1 = 4.5、V2 = 0.5V (B)V1 = 1.5V、V2 = 3.5V (C)V1 = 5V、V2 = 5V (D)V1 = 3.5V、V2 = 1.5V