20. 如圖(十)所示之電路,若
=0.7V,β=100,則IC之值約為何?
(A) 1.43mA
(B) 0.143mA
(C) 14.3μA
(D) 143μA
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統計: A(0), B(2), C(0), D(0), E(0) #3023568
統計: A(0), B(2), C(0), D(0), E(0) #3023568