单项选择题

The resistor voltage and resistor current in this circuit are（）.

A.10V，5mA
B.11V，2mA
C.11V，11mA
D.2V，11mA

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单项选择题

What is the value of the voltage dropped across forward-biased silicon diodes that are connected in parallel with each other？（）.

A.11.3V
B.35V
C.7V
D.4V

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When a p-n junction is reverse-biased，its junction resistance is（）.

A.high
B.low
C.determined by the components that are external to the device
D.constantly changing

单项选择题

The piecewise linear model，equivalent circuit of the diode consists of（）.

A.a junction capacitor，a battery，a small resistor，and the ideal diode
B.a battery，asmallresistor，and the ideal diode
C.a battery and the ideal diode
D.the ideal diode