[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8Be0D6t9JKdQLGlclLaRuIH0F0AqsxczNZCuWvxnakg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-06-19 13:35:49",71498514,[8,9,10,11],"4和3","3和3","3和4","2和2",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},138,"f8baef8b6e01fd7ffc6b87ac154c871b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fade026935985eb37cc6e965b26524f34.jpg","电工学（火电22级）","work_28018019","选择填空判断复习题20230605","{在图示电路中,各电阻值和两个电源电压值均已知.欲用支路电流法求解流过电阻R1的电流I,需列出独立的电流方程数和电压方程数分别为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc93bbac735b3c847f6c907d6e8891ed6.png\">}",[21,32,41,49,57,66,74,82,89,92],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],71498506,[25,26,27,28],"-2","2","10","-10","电路如图所示,已知 Uab=10V,Iab=2A, 则Uba =()V. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd5d90889f396a625d33daf9a7335fd0c.png\">","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],71498507,[36,37,38,39],"吸收","发出","两者都不是","不确定","如图所示电路, iba=-2A, uab=5V,电阻吸收还是发出功率?( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F630d95e84a49c50a6cbcb586d9ae723d.jpg\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":48,"source":30,"type":31},[],71498508,[45,46,47,39],"一致","相反","不一致","规定好电流的参考方向后,若计算出电流I>0,则说明实际方向和参考方向的关系为( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":56,"source":30,"type":31},[],71498509,[53,54,55,39],"增大","不变","减小","某电路中,一理想电压源并联一可变电阻,当可变电阻参数减小时,可变电阻两端的电压( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":30,"type":31},[],71498510,[61,62,63,64],"U=U s+IR","U=U s-IR","U=- U s+IR","U=- U s-IR","图示电路的基尔霍夫电压方程为( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11afd0eb3d551c80ce7fdfc6c5e8bc5a.jpg\">",{"answer":67,"createTime":5,"id":68,"options":69,"question":73,"source":30,"type":31},[],71498511,[70,71,72,39],"电阻","电容","电感","白炽灯在通电工作时能把电能转换成热能,消耗电能,具有( )的性质",{"answer":75,"createTime":5,"id":76,"options":77,"question":81,"source":30,"type":31},[],71498512,[78,26,79,80],"1","3","4","在图示电路中,电流I为( )A. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F391b3c74b9151d04c9d2c636c5fdccb5.png\">",{"answer":83,"createTime":5,"id":84,"options":85,"question":88,"source":30,"type":31},[],71498513,[27,28,86,87],"20","-20","当电路如图1连接时U=15V;当如图2连接时U=5V,则US为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48473bd1b8c500e41f2aa13e438f395d.png\">",{"answer":90,"createTime":5,"id":6,"options":91,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":93,"createTime":5,"id":94,"options":95,"question":98,"source":30,"type":31},[],71498515,[78,96,26,97],"1.5","2.5","已知图中R = 4Ω时,I = 2 A,求R = 8Ω时,I =( )A\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6c5b28b735a298b612de0c071c848709.png\">"]