测得处于放大状态的三极管对地电位分别是 V 1 =- 6 V , V 2 = 4.3 V , V 3 = 5 V ,则 V 1 、 V 2 、 V 3 三个电位对应的电极分别是 ( )
A.
c 、 e 、 b
B.
c 、 b 、 e
C.
b 、 e 、 c
D.
e 、 c 、 b
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