多路电流源中，电流Ic2等于。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/8084ad27536f4fbbb29aec2d0333ce88.png
100uA
举一反三
- 一维谐振子的哈密顿算符为 。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/ffe1f4b5eedc462dadafc20bd0daf952.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/824bfe9bd226469ba486d5145a62fde4.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/c2e73fa49ffd40b38a9fa2c0d0f67f4d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/4364f1f77f4a404ba32a149b075751c9.png" />
- 一质点在平面上作一般曲线运动，其瞬时速度为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/cd2c54e096b2475db8bcecd84e554eb0.png" />，瞬时速率为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/359eb2c648264727bd0a2bc72d54b233.png" />，某一时间内的平均速度为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/32268b5fc5bc43619f3bb1de9c43715b.png" />，平均速率为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/99f1a21b975449648922aab0accdc025.png" />，它们之间的关系必定有（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/27daf7237fe740349eb8756c75d23df6.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/f2f418f88e564f8c9d46babbe9bc612b.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/5d84042638794095a9b9e7760b0cbb53.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/cd811196b38f419c82b27356c7d84ca9.png" />
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/d96b43657e0944c48296c840a3a8a900.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/4e02598ccc4443d3a5a16ec182a73d0a.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/530c7ec1138f44febfcd8949474110c0.png
内容
- 0
http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/3f12b8b853a042af82fa61cdd3464648.png
- 1
在下图所示电路中，I = 2 A，若将电流源断开，则电流I为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/4aecc3ffbabc4bb49e3927177cb06cf4.png
- 2
在下图中，US = -13V，IS = 4A，R = 2Ω，电流源IS吸收的功率是( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/62664478a9ef466cacf9219cb6bbcaf5.png
- 3
（ZHCS1-9-冲量动量）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201707/f3a44390b535403b9fce3dc9d11eb089.jpg
- 4
图示电路中，电流源发出的功率为（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/03f3eba91390411681ab003e75ce1795.png