第四章测试1.When a BJT is biased in the cutoff region the collector-to-emitter voltage is typically equal to （ ）.
A:the collector current times the collector resistor B:the emitter voltage C:0.03 V D:the collector supply voltage
答案:D
2.Calculate the collector-emitter voltage for this emitter-stabilized circuit.（ ）
A:14.24 V B:0.1335 V C:4.32 V D:10.68 V 3.The difference between the resulting equations for a network in which an npn transistor has been replaced by a pnp transistor is （ ）.
A:the value of β B:the sign associates with the particular quantities C:the values of the resistors 4.The term quiescent means （ ）.
A:midpoint-biased B:at rest C:inactive D:active 5.Voltage-divider bias stability is （ ）.
A:independent of beta B:dependent on alpha C:dependent on the collector resistor D:dependent of beta
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