[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fP0Hh6l0NeQmZ8mjdeos6qiw_4YlucYPz9Ot_84igna0":3},{"id":4,"source":5,"question":6,"options":7,"answer":8,"related":9,"type":66,"origin":67,"createTime":22},227911705,"v1","一长直导线通有电流I1,旁边放一导线ab,其中通有电流I2,两者共面,导线ab与长直电流垂直,如图所示.求导线 ab所受作用力. \u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fcafa71782bf3a02d4aa83d1046f20d02.png\">",[],[],[10,23,33,43,50,56,62],{"id":11,"source":5,"question":12,"options":13,"answer":18,"related":19,"type":20,"origin":21,"createTime":22},227911699,"在磁感应强度为 \u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fb45c0e2906416303417feb225fe21a7e.png\">\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F0fdf53d285a6d56f1ebd122f139f3a47.png\">",[14,15,16,17],"\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F2214700cdae627767b22df367e387fe1.png\">","\u003Cimg src=\"\u002Fananas\u002Flatex\u002Fp\u002F40784\">","\u003Cimg src=\"\u002Fananas\u002Flatex\u002Fp\u002F813431\">","\u003Cimg src=\"\u002Fananas\u002Flatex\u002Fp\u002F154844\">",[],[],0,null,"2025-11-03T01:40:32+08:00",{"id":24,"source":5,"question":25,"options":26,"answer":31,"related":32,"type":20,"origin":21,"createTime":22},227911700,"如图,均匀磁场中放置三个面积相等并且通有相同大小电流的线圈,一个是圆形、一个是正方形、一个是三角形,下列叙述不正确的是: [ ] \u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7808b6140e98b029c4e267c79a61e215.png\">",[27,28,29,30],"每个线圈所受的最大磁力矩都相同","每个线圈所受磁场力的合力都为零","三个线圈处于图示的位置时所受磁力矩最大","三个线圈处于图示的位置时所受磁力矩均为零",[],[],{"id":34,"source":5,"question":35,"options":36,"answer":41,"related":42,"type":20,"origin":21,"createTime":22},227911701,"如图所示,无限长直载流导线与正三角形载流线圈在同一平面内,若长直导线固定不动,则载流三角形线圈将: [ ] \u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7cce0689d5dd4ed70313f20f41833735.png\">",[37,38,39,40],"不动","向左平移","向右平移","转动",[],[],{"id":44,"source":5,"question":45,"options":46,"answer":47,"related":48,"type":49,"origin":21,"createTime":22},227911702,"在一根通有电流I的长直导线旁,与之共面的放着一个长、宽各为a和b的矩形线框,线框的长边与载流长直导线平行,且二者相距为b,如图所示.在此情形中,线框内的磁通量Ф=? \u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fb48a084476a08d0f104a10c67c9350fc.png\">",[],[],[],4,{"id":51,"source":5,"question":52,"options":53,"answer":54,"related":55,"type":49,"origin":21,"createTime":22},227911703,"在匀强磁场中,有两个平面线圈,其面积S1=2S2,通有电流I1=2I2,它们所受的最大磁力矩之比M1\u002FM2等于_________",[],[],[],{"id":57,"source":5,"question":58,"options":59,"answer":60,"related":61,"type":49,"origin":21,"createTime":22},227911704,"设想用一电流元作为检测磁场的工具.若沿某一方向,给定的电流元放在空间任一点都不受力作用,你能否由此断定该空间不存在磁场?为什么",[],[],[],{"id":4,"source":5,"question":6,"options":63,"answer":64,"related":65,"type":66,"origin":21,"createTime":22},[],[],[],7,{"courseName":68,"courseImg":69,"workName":70,"workId":71,"count":66,"courseId":72},"大学物理Ⅰ（下）","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed5e1ec4c4cf4e79f6685c64b7bbbd46.jpg","习题十一_2025版","work_47122519","9136c561e095d05fae545dbbd47507c4"]