在下图的放大电路中,静态工作点的调整一般是通过调节电位器Rb2实现的。
以下说法正确的是:http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/2abfac00565242269629db6b1133f934.png
以下说法正确的是:http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/2abfac00565242269629db6b1133f934.png
举一反三
- 在下图的放大电路中,静态工作点的调整一般是通过调节电位器Rb2实现的。<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/2abfac00565242269629db6b1133f934.png" />以下说法正确的是: A: 增大Rb2,将使UCE增大, 工作点降低。 B: 减小Rb2,将使UCE增大, 工作点升高; C: 增大Rb2,将使UCE减小, 工作点降低。 D: 减小Rb2,将使UCE减小, 工作点升高;
- 下图是静态工作点稳定的共射放大电路,静态工作点能够稳定的原因是http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/a634d8eba734470488653613d5b0e8f8.png
- 下图是两级放大电路,各级电路分别是http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/83ef88fc947442cab77bd42e047f7946.png
- 设<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/bed4f91f4fec44358e1cad3163fc6b90.png" />是在区间<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/a58a11f71a434f2ab38a2f347802f010.png" />上的<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/a392447e03794318affaa2b03bb5967b.png" />的分段线性插值函数,以下条件不是<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/c00fe77a8291453a8cb2577eb68735ad.png" />必须满足的条件是________________. A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/cf6e811a4488413fae8f1839e4d098ea.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/bb93b2d7d02245878ec51e2986c97b5d.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/ec6692c00c2e49b6adbf9b0493638b81.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/214f277da4154f58a43751f80b09d959.png" />
- 已知轴的主视图,根据标注选择所对应的正确的断面图,其中正确的B-B是( )。<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/fb36fa86ece84fbcbc0f2230abb855ad.png" /> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/0310f38d6cfc4fdd8b4d527907f732a3.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/dba503dc28c741698b1cf083200d24ad.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/1b977d55d6a84bceb9e6c39b7f9d878c.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/82093ffe849a4e789e46eaf4c768a318.png" />