在图示电路中，B点的电位VB为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/0de1efa422f14410b078cf364c59cdc7.png
举一反三
- 图示电路中A点电位VA为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/0d56751fd15748d29f6150e525165170.png
- 在图示电路中，电压 UAB 应为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/0532e9a652e74b798038be26aa5d4f2c.png
- 内压球形容器的应力为： A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/7a7e20156c8c4502840fc258ffe21c74.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/6b137ba6e7464b2c8122eced2a3d45cd.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/3c032f5116a04b288400df17925e39c2.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/85ca21668f4045e2b864897bc3795fdf.png">
- 图示电路中，供出功率的电源是http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/ec0c14577da6445e85ef8417bdf3c904.png
- 在图示电路中，已知：US =10 V，I1 =－4 A，I2 =1 A。电流 I3 为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/cc0f8eced1a6466da6e8693f0f4b3f56.png