放大电路如图所示,其静态值IB、IC和UCE分别为 __ μA, ___ A, __ V。(  ) A.40,0.04,12 B.40,4×10-3

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问题 放大电路如图所示,其静态值IB、IC和UCE分别为  __  μA,  ___ A,  __  V。(  )

选项 A.40,0.04,12
B.40,4×10-3,6
C.400,0.04,0
D.0,0,12

答案B

解析
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