[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhmo0e5lXPkaI4SM7-GmMrB91rCaSixAeY3PGeyU6rXw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-12-18 22:55:41",172183177,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44ab264dea912b09f3b8a569ff002698.png\">增强","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd02676a1eddb97f1f3fcfad7d13cc175.png\">减弱","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8227ee168edc2aa52ac43e93a78c356e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbf281d412b0a2980bd5dde26c62e9768.png\">",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},23,"fcd52b619bbf386970ed61577ad67d0c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb184d3934bf7281f11c4ee5f1936e81a.jpg","电磁场与电磁波","work_38821156","2024课程目标一模拟测试","如果所研究的区域中存在介质和导体的分界面,则在分界面上切向电磁场边界条件为",[21,32,41,50,53,61,70,79,85,90],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],172183174,[25,26,27,28],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F95fee90dea085df1d5427fa6ca57ba66.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5d269f8ff744b44d6c148ea5d4a7de53.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe4b524e2892e90cbee1dd200be878917.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa9802ecd9b0e90afe0528f129110f88a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fab7229bf4d189f443761a28e67969418.png\">","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],172183175,[36,37,38,39],"-2","2","0","2z","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff5ec2445862d06765d54a749dc23b551.png\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],172183176,[45,46,47,48],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdebbc968e37f1364a7d6eb3de976e766.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f7107b9106d0eefe7d8f63fe335c45f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3699f2308ada4dcb8df1456b3b8fe5ee.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6ddc30d4cad69f27e025e27548a99374.png\">","同心球壳电容器,内外导体带电荷量分别为Q和-Q,内外导体之间充满两种均匀电介质,内层为介质1 ,外层为介质2 .分界面是以R1为半径的球面.则在介质分界面上有",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":60,"source":30,"type":31},[],172183178,[57,58,59,57],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe7bb345078af20d9f0fcea707d40b781.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Facabceea25e2885011431858cef9b15c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3ab0769bf01a445128aaad2069af1533.png\">","斯托克斯定理的表达式为( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":30,"type":31},[],172183179,[65,66,67,68],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c31558fc694901cc56c07f63e38ac2e.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e66d48d5c85c7149101f4f8447dd88b.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8dcdcaeabcb334f216f4f379c0a93af7.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F33b062fb11537fc36c048b43b9b28408.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe5fb565a23de618b9111c87b021e16f9.webp\">",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],172183180,[74,75,76,77],"最大环量,取得最大环量的环面的法线方向","环量密度,环面的法线方向","最大环量密度,取得最大环量的环面的切线方向","最大环量密度,取得最大环量的环面的法线方向","矢量场中某点的旋度是一个矢量,其大小等于该点的(),其方向为()",{"answer":80,"createTime":5,"id":81,"options":82,"question":83,"source":30,"type":84},[],172183181,[],"静电场中微分形式的高斯定理描述了一点处的电场强度的 和该点电荷密度的关系,尽管该点的电场强度是有空间的所有电荷激发的,可是这一点电场强度的散度仅仅取决于该点的电荷密度,而与其它电荷无关.微分形式的高斯定理可以用来从 研究",2,{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":30,"type":84},[],172183182,[],"亥姆霍兹定理也称为矢量场的唯一性定理,即在无界空间区域,矢量场可由其散度和旋度唯一确定.矢量场的散度是一个 函数,它表示矢量场中某点的 ;矢量场的旋度是一个 函数,它表示矢量场中某点的 ,是矢量场中某点涡旋源强度的度量",{"answer":91,"createTime":5,"id":92,"options":93,"question":94,"source":30,"type":84},[],172183183,[],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25d4ec041d34a5ee2311e22f76768c63.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F905dec06792e7e8f10335f34169b519b.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F761038132a4f74ca3db26c42aba9654c.png\">则电介质中的电场强度为"]