• 2021-04-14
    图示电路中,A、B 两端间的等效电阻与电阻 RL 相等,则RL 为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/a5e1942297b849a98b4799dadc56568c.png
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    内容

    • 0

      图示电路中A点电位VA为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/0d56751fd15748d29f6150e525165170.png

    • 1

      图示电阻串联电路中,U=U1-U2+U3,再根据欧姆定律,可求出等效电阻R为(  )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/66b9a0c074aa44b2b19c4aafa24b6612.png

    • 2

      图示电路中,ab两端的等效电导为0.95S。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/5bb5d519bef3438c918195cb91751ccf.png

    • 3

      在图示电路中,B点的电位VB为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201803/0de1efa422f14410b078cf364c59cdc7.png

    • 4

      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">