The condition where increase in bias current will not cause further increases in collector current is called ___（）
A. cutoff
B. saturation
C. active operation
D. All of the above
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The electrode with p-type material of a diode is called the ____（）
A. anode
B. cathode
C. depletion region
D. Zener region
Some of the modern ohmmeters have a diode test setting. If you do not have one of these ohmmeters then to test the diode you need to check its resistance in the forward and the reverse direction. Thes
A. relatively high in the forward direction and relatively low in the reverse direction
B. relatively low in the forward direction and relatively low in the reverse direction
C. relatively low in the forward direction and relatively high in the reverse direction
D. relatively high in the forward direction and relatively high in the reverse direction
The reverse saturation current of a diode will just about ___ for every 10°C rise in the diode temperature（）
A. double
B. half
C. increase proportionately with temperature
D. decrease proportionately with temperature
Which transistor amplifier configuration is the most commonly used（）
A. common-emitter
B. common-collector
C. common-base
D. None of these are used more often than the others
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