[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fTE6JNidYWCHf7PKtpKJpce-tmoLI9CcG4oIYMut2JIU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":27,"type":32},[],"2025-11-27 16:29:50",235883692,[8,9,10,11],"5Ω","2.5Ω","4Ω","3.5Ω",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},34,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47148010","现在进行时","图示无源二端网络的等效电阻Rab值为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6ac64fdb72d7f43a7caea23afb29f3e2.webp\">",[21,29,33,42,51,60,69,78,87,96],{"answer":22,"createTime":23,"id":24,"options":25,"question":26,"source":27,"type":28},[],"2025-11-17 22:05:46",235883691,[],"电阻R上u、i参考方向不一致,(1)请写出此时的欧姆定律及功率求解的正确公式; (2)令u=-10V,消耗功率为0.5W,求电阻R","v1",4,{"answer":30,"createTime":5,"id":6,"options":31,"question":19,"source":27,"type":32},[],[8,9,10,11],0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":27,"type":32},[],235883693,[37,38,39,40],"-2、 0、 4","0 、3 、6","0 、4、 12","0、 6、 6","下图所示电路中C、B、A三点的电位\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F177068808e40d63c965bcda6708d087e.webp\">",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":27,"type":32},[],235883694,[46,47,48,49],"D","A","C","B","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3220cba495e02b3a455927a4261b7107.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2ccaa313689745b588925f347d84e0fe.png\">",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":27,"type":32},[],235883695,[55,56,57,58],"12.5W 吸收","-25W 发出","-6.25W 发出","6.25W 吸收","如图1-3,试求5V电压源的功率,并判断(吸收还是发出的),说法正确的是 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd98da725b7182abf94852b82ae203c0e.png\">",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":27,"type":32},[],235883696,[64,65,66,67],"电流控制电流源CCCS","电压控制电流源VCCS","电流控制电压源CCVS","电压控制电压源VCVS","图中所示电路中受控源属于\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9ea7ab9cd6e03fda57f8a172388d855e.webp\">",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":27,"type":32},[],235883697,[73,74,75,76],"8","10","12","14","所示电路a、b端口的开路电压Uoc为( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fec246a393c1113a0c3ce48f718b2e02e.png\">",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":27,"type":32},[],235883698,[82,83,84,85],"I1=1A I2=-2A 2Ω","I1=2A I2=1A 9Ω","I1=2A I2=-1A 9Ω","I1=1A I2=2A 2Ω","已知端口总电流为3A,则I1 、I2分别是多少A,等效电阻RAB=( )Ω ?(注意方向)\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5298d4a2239b7e7bbd91b6e6f3a4ee79.webp\">",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":27,"type":32},[],235883699,[91,92,93,94],"电流","电压","电阻","电功率","电阻串联的电路中,每个电阻中( )是相同的",{"answer":97,"createTime":5,"id":98,"options":99,"question":103,"source":27,"type":32},[],235883700,[100,101,102],"不变","增加","减小","电路如图所示,R1增加时,电压U2将\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F511b0dbd22cce9022ea859f5d1eb0868.webp\">"]