[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fLuEkzefUPI2cvJSCB3Rxq8UcfSYi0GcvLQmm5kqM1ZA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-06-16 21:50:07",66000965,[8,9,10,11],"导体内、外任意点的场强为零","导体外任意点的场强为零","导体内任意点的场强为零","导体表面无电荷分布",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},19,"bbb73e6b42d67473f98965fab1bb54e6","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7d5da30550380aa4dd8abcd482477379.jpg","大学物理","work_28024618","9-1静电场","在静电场中,导体处于静电平衡的条件是( )",[21,32,40,43,52,61,70,80,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],66000963,[25,26,27,28],"电场强度与试验电荷的有无及大小无关","电场强度与试验电荷的电量成反比","电场强度与试验电荷的受力成正比","以上说法均不对","由电场强度公式E=F\u002Fq,可知( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":39,"source":30,"type":31},[],66000964,[36,37,38,28],"电场强度为零处电势也为零","电势为零处电场强度也为零","电场强度与电势不一定同时为零","关于电场强度与电势的说法正确的是( )",{"answer":41,"createTime":5,"id":6,"options":42,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":30,"type":31},[],66000966,[47,48,49,50],"高斯面内必无净电荷","高斯面内必无电荷","高斯面外必无电荷","高斯面上各点的电场强度为零","当高斯面上的电通量为零时,则( )",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":30,"type":31},[],66000967,[56,57,58,59],"实心球电容大","空心球电容大","两球电容量一样大","无法确定","两个半径相同的金属球,一个为空心,一个为实心,两者的电容值大小相比较( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":30,"type":31},[],66000968,[65,66,67,68],"电量相等,符号相同","电量相等,符号不同","电量不等,符号相同","电量不等,符号不同","两个电荷相距一定的距离,若在这两个点电荷连线的中点上电势为零,那么这两个点电荷( )",{"answer":71,"createTime":5,"id":72,"options":73,"question":79,"source":30,"type":31},[],66000969,[74,75,76,77,78],"电荷沿同一个等势面移动","电荷从一个等势面移到另一个等势面","电荷沿一条电场线移动","电荷在匀强电场中沿电场强度","的方向移动","下面哪种情况电场力不做功( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":89,"source":30,"type":31},[],66000970,[84,85,86,87,88],"Q增大 E增大 W增大","Q减小 E减小 W减小","Q增大 E减小 W增大","Q减小","增大 W增大","平行板电容器充电后仍与电源连接,若用绝缘手柄将两极板间距拉大,则极板上电量Q场强E和电场能量W将作下述变化,正确的是( )",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":30,"type":31},[],66000971,[94,95,96,97],"电场和电势均为零","电场不为零,电势均为零","电势和表面电势相等","电势低于表面电势","在静电场中的导体内部的( )",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":30,"type":31},[],66000972,[103,104,105,106],"高斯面上各点场强均为零","穿过高斯面上每一面元的电场强度通量均为零","穿过整个高斯面的电场强度通量为零","以上说法都不对","已知一高斯面所包围的体积内电荷代数和\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F755c2fe8a417c1c930c4bf7dcfd3fe6f.png\">,则可肯定( )"]