[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f0vYM8BfOkZ7jnQK5ivX7TdTsyrT-yqqQSYu9-Te0zVM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-05-10 06:39:09",225287669,[8,9,10,11],"3","5","1.5","2.5",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},23,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47054690","电工技术第一次作业","图所示电路中,Rab=( )欧姆 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5eed705f6282dba3d6a7363deae324e6.png\">",[21,32,41,50,59,68,77,86,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],225287662,[25,26,27,28],"54W","27W","18W","0W","下图所示电路中,9V电压源发出的功率是( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb4a66eb1dad9141771223b77b098bfba.png\">","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],225287663,[36,37,38,39],"10","8","14","12","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":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],225287664,[45,46,47,48],"12.5W 吸收","6.25W 吸收","-25W 发出","-6.25W 发出","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":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],225287665,[54,55,56,57],"电压源发出功率","都发出功率","电流源吸收功率","电流源发出功率","电路如图,关于功率说法正确的为( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1f982765aa3f34a1195fce7cef7deda5.png\">",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],225287666,[63,64,65,66],"I1=1A I2=-2A 2Ω","I1=1A I2=2A 2Ω","I1=2A I2=-1A 9Ω","I1=2A I2=1A 9Ω","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":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],225287667,[72,73,74,75],"-2V","2V","-22V","22V","图示电路电压U为( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44b311a94d60d67509e17a98ee6f4861.png\">",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],225287668,[81,82,83,84],"D","A","B","C","\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":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],225287670,[93,94,95,96],"4Ω","2.5Ω","5Ω","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\">",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],225287671,[102,103,104,105],"-2、 0、 4","0 、4、 12","0 、3 、6","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\">"]