18. In a PNP transistor, conventional current will flow when.
(A)the base is more positive than the
emitter.
(B)the emitter is more positive than the base.
(C)the collector is more positive than the
emitter.
(D)the collector is more positive than the base.

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統計： A(0), B(1), C(0), D(0), E(0) #3835998