[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqBGZ-Zvu5Be_DjI63_a6c5q4jg_gm59i79amrB-hR58":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-05-28 23:34:13",39373041,[8,9,10,11],"5","2","6","3",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},12,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","12d701a2ef8f40a09d247b10ef51fdfe","3-3网孔、回路电流法","电路如图所示,则电流I等于( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F015ca3353309a1dc19956914bc345da7.png\">",[21,32,41,50,58,67,77,87,90,104],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],39373034,[25,26,27,28],"网孔电流","支路电流","树支电压","结点电压","对于平面电路,列写的网孔电流方程中的未知变量是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],39373035,[36,37,38,39],"b","b-n+1","b-1","n-1","对于平面电路,列写的网孔电流方程的个数是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],39373036,[45,46,47,48],"KCL","什么方程都可以","KCL和KVL","KVL","网孔电流法列写的方程本质上是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":57,"source":30,"type":31},[],39373037,[54,55,56],"负的","可正可负","正的","列回路电流方程时,若回路间有互阻存在,则互组肯定是( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],39373038,[62,63,64,65],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5236a5dbb887a43450e728d1e8547e66.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0aaa6066cbf1e533a0e2586c4c50de02.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd98063be5ab4155e3ccc4a883f06200f.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd47130f021d0e0e3e63e85c2b488b33a.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffadf5d0d4b6f88b33cf8105b20a26af4.jpg\"> 电路如图所示,则其回路1的回路电流方程为( )",{"answer":68,"createTime":69,"id":70,"options":71,"question":76,"source":30,"type":31},[],"2025-10-24 04:00:50",39373039,[72,73,74,75],"(2+2+2)Im1-2Im2-2Im3=12 -2Im1+(1+2+3)Im2-Im3=-6 -2Im1-Im2+(1+2)Im3=0","(2+2+2)Im1-2Im2-2Im3=-12 -2Im1+(1+2+3)Im2-Im3=6 -2Im1-Im2+(1+2)Im3=U","(2+2+2)Im1-2Im2-2Im3=12 -2Im1+(1+2+3)Im2-Im3=-6 -2Im1-Im2+(1+2)Im3=-U","(2+2+2)Im1-2Im2-2Im3=12 -2Im1+(1+2+3)Im2-Im3=-6 Im3=-2","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F06764ddd8c639aa90d934d01789b2a85.jpg\"> 电路如图所示,下列网孔电流方程组正确的是( )",{"answer":78,"createTime":79,"id":80,"options":81,"question":86,"source":30,"type":31},[],"2023-05-31 20:48:54",39373040,[82,83,84,85],"(5+2+5)I m1-2Im2-5Im3=13 -2Im1+(2+4)I m2=-5U -5Im1+5I m3=5U U=2(Im1-Im2)","(5+2+5)I m1-2Im2-5Im3=-13 -2Im1+(2+4)I m2=5U -5Im1+5I m3=-5U U=-2(Im1-Im2)","(5+2+5)I m1-2Im2-5Im3=-13 -2Im1+(2+4)I m2=-5U -5Im1+5I m3=5U U=2(Im1-Im2)","(5+2+5)I m1+2Im2+5Im3=-13 2Im1+(2+4)I m2=-5U 5Im1+5I m3=5U U=2(Im1-Im2)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3d15628822246ee3db1d4055f0cd41f0.jpg\"> 电路如图所示,下列网孔电流方程组正确的是( )",{"answer":88,"createTime":5,"id":6,"options":89,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":91,"createTime":5,"id":92,"options":93,"question":102,"source":30,"type":103},[],39373042,[94,95,96,97,98,99,100,101],"I2=-0.25U2","I2=0.25U2","-5I1+I2+(1+1+5)I3=(1-20-4)","-5I1 +(1+1+5)I3=(-1+20+4)","I1-(1+10+5)I2+I3=0.25U2","U2=5( I3 -I1)","-5I1 +(1+1+5)I3=(1-20-4)","I1=5","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff58a5745a247e380a18b73c4dacfa5bd.png\"> 电路如图所示,请选出所有正确的方程( )",1,{"answer":105,"createTime":5,"id":106,"options":107,"question":115,"source":30,"type":103},[],39373043,[108,109,110,111,112,113,114],"Il3=0.05Ux","Ux =32(Il1+Il2-Il3)","24Il1+56Il2+32Il3=20","Il1=0.15A","Ux =32(Il1+Il2+Il3)","-8Il1-32Il2+40Il3=0.05Ux","32Il1+56Il2-32Il3=20","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F28c2ea3e2d637bd3f10ce3be552c38c9.png\"> 电路如图所示,请选出所有正确的方程( )"]