单项选择题

The circuit shown here is a（）.

A.series-clipper
B.parallel-clipper
C.series-clamper
D.shunt-clamper

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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

单项选择题

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

单项选择题

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