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【判断题】
plot (x,y1,x,y2)可以在同一坐标内绘制两条曲线。A.
正确
B.
错误
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举一反三
【单选题】For an ideal op amp, why the input current through both the inverting and noninverting input terminal are 0?
A.
For an ideal op amp, the output impedance is 0.
B.
For an ideal op amp, the output impedance is infinity.
C.
For an ideal op amp, the input impedance is infinity.
D.
For an ideal op amp, the input impedance is 0.
【单选题】when an op-amp operates in a nonlinear region, which statement is not correct ( )
A.
the op-amp is with no feedback
B.
the op-amp is with a positive feedback
C.
the op-amp is with a negative feedback
D.
the output voltage is equal to +Uom or -Uom
【简答题】在网络管理中，网管服务器对被控设备发出启动、停止等控制命令是属于（ ）管理的范畴。
【单选题】The CMRR of an inverting amplifier always lower than that of its op-amp because _______.
A.
the common-mode gain of an op-amp increases when it is used in an inverting amplifier
B.
the value of differential gain for an inverting amplifier is lower than that of its op-amp
C.
slew-rate limiting decreases the common-mode gain of the op-amp
D.
of the lower input impedance of the inverting amplifier
【简答题】在网络管理中，网管服务器对被控设备发出启动、停止等控制命令是属于（ ）管理的范畴。
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