第二章单元测试
What is the value of the voltage dropped across forward-biased silicon diodes that are connected in parallel with each other? （ ）.
The resistor voltage and resistor current in this circuit are （ ）.
Which of the following circuits is used to eliminate a portion of a signal? （ ）.
The circuit shown here is a （ ）.
The Zener diode must be operated such that （ ）.
A:11.3 V B:1.4 V C:0.35 V D:0.7 V
答案:0.7 V
A:11 V, 11 mA B:2 V, 11 mA C:11 V, 2 mA D:10 V, 5 mA
答案:11 V, 11 mA
A:Clipper B:Damper C:Voltage multiplier D:Voltage divider
答案:Clipper
A:series clipper B:parallel clipper C:series clamper D:shunt clamper
答案:parallel clipper
A:
B:the applied voltage is greater than 
C:
is less than the specified 
D:All of these答案:All of these
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