[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fu9lae-YrUfHpmjX0DwSgf6-a7xmhCx5J1r7aqrddOHc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":30,"type":31},[],"2025-05-10 16:31:18",186861680,[8,9,10],"0.866 N; 4.33&times;10-2 N\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8deac42e6e55d3bee9bfcac6a7791267.webp\">m","0; 4.33&times;10-2 N\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8deac42e6e55d3bee9bfcac6a7791267.webp\">m","0.866 N; 0",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},2,"66c4d3c2f7a48cda2346c83e04716d2b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9d91d26920eea20991e8eb1513dcb574.jpg","大学物理B","550ac4bf06be4b6290d76e2d1dd62559","预习达标测试 安培定律","边长为l = 0.1 m的正三角形线圈放在磁感应强度B = 1 T 的均匀磁场中,线圈平面与磁场方向平行.如图所示,使线圈通以电流I = 10 A,则ab所受的安培力的大小和线圈所受磁力矩大小分别为( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F96c12f3b7d17c286be59e6bb1ccc7bd8.png\">",[20,32],{"answer":21,"createTime":22,"id":23,"options":24,"question":29,"source":30,"type":31},[],"2025-05-10 16:31:17",186861678,[25,26,27,28],"与导线的长度成正比","等于ab间载有同样电流的直导线所受的力","等于圆电流所受的力","等于零","任意形状的一段电流为I的导线ab,放在磁感应强度为B的磁场中,导线所在平面与磁场垂直,则ab所受的力 ( )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":18,"source":30,"type":31},[],[8,9,10]]