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 emitter voltage B:0.03 V C:the collector current times the collector resistor D:the collector supply voltage 
答案:D
2.

Calculate the collector-emitter voltage for this emitter-stabilized circuit.(    )

 image.png


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The difference between the resulting equations for a network in which an npn transistor has been replaced by a pnp transistor is (    ).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:inactive B:at rest C:midpoint-biased D:active 5.

Voltage-divider bias stability is (    ).


A:independent of beta B:dependent on the collector resistor C:dependent on alpha D:dependent of beta

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