[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$foz1ZJ94-zLrVqYZyEY1u1a4PBdctbUIlLdR5GmslIY8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":26,"type":37},[],"2025-11-27 16:29:50",235883700,[8,9,10],"不变","增加","减小",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},34,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47148010","现在进行时","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\">",[20,28,38,47,56,65,74,83,92,101],{"answer":21,"createTime":22,"id":23,"options":24,"question":25,"source":26,"type":27},[],"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":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":37},[],235883692,[32,33,34,35],"5Ω","2.5Ω","4Ω","3.5Ω","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\">",0,{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":26,"type":37},[],235883693,[42,43,44,45],"-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":48,"createTime":5,"id":49,"options":50,"question":55,"source":26,"type":37},[],235883694,[51,52,53,54],"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":57,"createTime":5,"id":58,"options":59,"question":64,"source":26,"type":37},[],235883695,[60,61,62,63],"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":66,"createTime":5,"id":67,"options":68,"question":73,"source":26,"type":37},[],235883696,[69,70,71,72],"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":75,"createTime":5,"id":76,"options":77,"question":82,"source":26,"type":37},[],235883697,[78,79,80,81],"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":84,"createTime":5,"id":85,"options":86,"question":91,"source":26,"type":37},[],235883698,[87,88,89,90],"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":93,"createTime":5,"id":94,"options":95,"question":100,"source":26,"type":37},[],235883699,[96,97,98,99],"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":102,"createTime":5,"id":6,"options":103,"question":18,"source":26,"type":37},[],[8,9,10]]