Which of the following biasing combinations is not normally associated with one of the three transistor operating regions（）
A. E-B junction = forward, C-B junction = reverse
B. E-B junction = reverse, C-B junction = reverse
C. E-B junction = reverse, C-B junction = forward
D. All of the above
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VCE is measured ______（）
A. from the emitter terminal to ground
B. from the collector terminal to the emitter terminal
C. from the collector-emitter junction to ground
D. None of the above
In the saturation region, the base-emitter junction _____（）
A. and the base-collector junctions are both forward-biased
B. and the base-collector junctions are both reverse-biased
C. is forward-biased while the base-collector junction is reversed-biased
D. is reversed-biased while the base-collector junction is forward-biased
When a BJT is biased in the cutoff region the collector-to-emitter voltage is typically equal to ____（）
A. the emitter voltage
B. 0.03V
C. the collector current times the collector resistor
D. the collector supply voltage
β is the ratio of _____（）
A. collector current to emitter current
B. base current to collector current
C. collector current to base current
D. emitter current to collector current
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