[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftKqdTCzjy8_y5jS3XIjAv5uhseVKkaazIfG6OKHiFRM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-29 11:22:12",240596673,[8,9,10,11],"1.5","2\u002F3","4\u002F3","-0.5",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},17,"d7d7a3ef7482b59cede93df5923a8bf0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","电路电子技术","work_45766069","2.2 支路电流法","图示电路中的电流I=( )A.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed6e5bfcd1291042c69d5ec9f31d67dd.png\">",[21,32,35,42,50,55,60,65,75,84],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],240596670,[25,26,27,28],"U=2V;P=10W","U=-1V;P=1.5W","U=7.5V;P=-5W","U=1V;P=5W","应用支路电流法求得图示电路中电压U及10V电压源吸收的功率P分别为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffab7c255c4702bed203162f3ce213787.png\">","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":37,"id":38,"options":39,"question":40,"source":30,"type":41},[],"2025-11-24 10:06:43",240596674,[],"用支路电流法可得各支路电流为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe45f0d812d7f347aa37c9ee70962e1ca.png\">= A;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Feb36fda74671ed1c407380befd250fde.png\">= A;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F98709f0fb9889c2dd05f3cd2c49b32b0.png\">= A;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57b828fe4fade81b5559726f5ac3f3db.png\">= A;\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffe2a50194f5dbc47e50be5363feaa875.png\">= A.(保留两位小数)\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9860e88b99bdd0269b41e936936250d8.png\">",2,{"answer":43,"createTime":37,"id":44,"options":45,"question":48,"source":30,"type":49},[],240596676,[46,47],"正确","错误","若电路的支路数为b,节点数为n,根据KVL可以列出b-(n-1)个独立的回路方程",3,{"answer":51,"createTime":37,"id":52,"options":53,"question":54,"source":30,"type":49},[],240596679,[46,47],"支路电流法是以各支路电流为变量求解电路",{"answer":56,"createTime":37,"id":57,"options":58,"question":59,"source":30,"type":49},[],240596680,[46,47],"支路电流法的实质是KCL方程",{"answer":61,"createTime":37,"id":62,"options":63,"question":64,"source":30,"type":49},[],240596683,[46,47],"若电路节点数为n,则可以列出n个独立的KCL方程",{"answer":66,"createTime":67,"id":68,"options":69,"question":74,"source":30,"type":31},[],"2025-12-30 17:21:59",295573678,[70,71,72,73],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F16aeca2c775be3c3a7e9762cfcb6d41b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7884aa1835ba06e0ddd76b69d279ee89.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1447779f9360f31ac4e8d77b9781c054.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbc055fe9631b29f8b9cbb20f3ec45b87.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F677743661c29a33b50dbecf5d4bdc6b9.png\">",{"answer":76,"createTime":67,"id":77,"options":78,"question":83,"source":30,"type":31},[],295573679,[79,80,81,82],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3ed8cf3c0a871cf6651a02867365620f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F87ff3bda986dd68df9d978071b0ecc45.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbf42c4116d1f9d00e098a9ae524e5415.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F66fa62890aa3b2ab39f09dff40c02971.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9ebb037a1fec172668b7146bdaa87ddf.png\">",{"answer":85,"createTime":67,"id":86,"options":87,"question":92,"source":30,"type":31},[],295573680,[88,89,90,91],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa831e33163e5b975bb1ce5987b0cfe75.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fda5efe750565474ebf44edeb185d8764.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F49cfc9a2f5a9de0ed502226525f3932c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F65bac6587a56e823e4bf7ae0f740bca8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4e857d49399a732a0467938ee6cbffc9.png\">"]