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单选题 电路如图,选用结点电压法,2结点电压方程为( ). 
A. 
B. 
C. . 
D. 
学科：电路
时间：2023-05-10 10:54:21
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题目1单选题
电路如图,用结点电压法列出结点1、2的结点电压方程为( ). <img src="https://tihai-oss-cloud.itihey.com/img/e4f718adecc0fb8c3e616ee4d6c28010.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/7b71daf631bb37dfb9426233ebdb45e6.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/22dd673a19e6d52980e375a0514c4a6e.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/ea09af49c41eddfce318c34d6b00c790.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/0fc125cd62e76b69db3b8d653a146bed.png">
题目2单选题
电路如图,应用结点电压方法求解,列出电路的结点电压方程为( ). <img src="https://tihai-oss-cloud.itihey.com/img/d551a384408cd1c65fb24b42d6d1c590.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/fb808d0f1ad4a93da8a5653e249c05a3.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/6638d5a9752038de207b38063184dcf7.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/339fa1831bb04b874582249ad53e58dd.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/facf7f2f1b89ae72f2aabc59e42aeaef.png">
题目3单选题
应用结点电压法求解电路时,结点的自导与互导的取值为( )A. 都取正值B. 都取负值C. 自导取正值,互导取负值D. 自导取正值,互导视不同情况可取正值,也可取负值
题目4单选题
电路如图,选用结点电压法,2结点电压方程为( ). <img src="https://tihai-oss-cloud.itihey.com/img/8ef3a7bb04b8e1c3199e1ac6b44e3520.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/d3949e857814693638f50c93a7466217.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/1c4c66271072145325c28fa81046bd22.png">C. . <img src="https://tihai-oss-cloud.itihey.com/img/de8a08756e357b986ebcd7c9874868d9.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/c8093c6c2e91414e2140280ac5df287b.png">
题目5单选题
电路如图,用结点电压法列出结点1的结点电压方程为(). <img src="https://tihai-oss-cloud.itihey.com/img/d4f1b8af8ecee6227a63c4d430afd98c.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/ade272ecadc7d0c26f5ffb2191e47815.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/dcb5bb97c49831ac1b73b5b921512125.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/878172f30db463aa1f1894de41d3770d.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/24355a76eac393bbb6373b863d91c49b.png">
题目6单选题
电路如图,用结点电压法求解,结点2的电压方程为(). <img src="https://tihai-oss-cloud.itihey.com/img/735ed4afbbe1c6a20e8425b542468fff.png">A. .<img src="https://tihai-oss-cloud.itihey.com/img/9422612dfd53855cc93786d8f181e7db.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/e21c02127190d178dfeac5d0ad5d6596.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/9432d1bf33c7edd634260d7226532506.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/c133e194cf208a20dd6e0e009fa8cc24.png">
题目7填空题
电路如图,电路的结点数为____个.<img src="https://tihai-oss-cloud.itihey.com/img/2a6a98a4f4b160a58bed3cf2e44afbb1.jpg">题目8填空题
应用结点电压法列方程时,电源电流流出该结点时,此电源电流取____值题目9填空题
电路如图,结点3的KCL方程为<img src="https://tihai-oss-cloud.itihey.com/img/d534661da6c6805ac9218e93230d9427.png">____.<img src="https://tihai-oss-cloud.itihey.com/img/bd23ab2cb5bf8207c18270f83dd4dabc.jpg">题目10填空题
在结点电压法中,选取不同结点为参考点,求得各结点电压的数值____下载 题海APP
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