27．如图所示两足够长的平行光�的�属导轨mnpq相距为d导轨平面与水平面的夹角α=30o导轨电阻不计磁感应强度为b的匀强磁场垂直于 Sketch Coloring Page

27．如图所示两足够长的平行光�的�属导轨mnpq相距为d导轨平面与水平面的夹角α=30o导轨电阻不计磁感应强度为b的匀强磁场垂直于 Template

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tomski27．如图所示两足够长的平行光�的�属导轨mnpq相距为d导轨平面与水平面的夹角α=30o导轨电阻不计磁感应强度为b的匀强磁场垂直于 coloring

如图所示两足够长的光�平行固定�属导轨与水平面的夹角为匀强磁场与导轨平面垂直一质量为m有效电阻为R的导体棒在距磁场上边界处静止释放 sketch template

如图a所示两根足够长的平行光�导轨MNPQ相距为L导轨平面与水平面的夹角为α导轨电阻不计整个导轨放在垂直导轨平面�上的匀强磁场中 sketch template

如图所示，足够长的传送带与水平面夹角为，在传送带上高途 sketch template

如图所示间距为l的两条足够长的平行�属导轨与水平面的夹角为θ导轨光�且电阻忽略不计．场强为B的条形匀强磁场方�与导轨平面垂直磁场区域的 sketch template

27．如图所示两足够长的平行光�的�属导轨MNPQ相距为d导轨平面与水平面的夹角α=30o导轨电阻不计磁感应强度为B的匀强磁场垂直于 sketch template

19．如图所示两根足够长的平行�属导轨固定放置在同一水平 面上其左端接一定值电阻�属杆MN水平放在导轨上且保持良好接触�属杆具有 sketch template

如图所示间距为L的两条足够长的平行绝缘轨道与水平面的夹角为θ两轨道间有n个长方形匀强磁场区域磁场区域的宽度为d1区域与区域之间的距离为 sketch template

如图甲所示两根足够长的直�属导轨MNPQ平行放置在倾角为θ的绝缘斜面上两导轨间距为LMP两点间接在阻值为R的电阻．一根质量为m的均匀 sketch template

如图所示足够长的光�平行导轨MNPQ倾斜放置两导轨间距离为L=10m导轨平面与水平面间的夹角为30°磁感应强度为B的匀强磁场垂直于 sketch template

如图甲所示两足够长的平行导轨间距为L=04m导轨上端连接一阻值为R=02Ω的电阻导轨平面与水平面的夹角为θ=37°导轨所在空间以 sketch template

如图所示两足够长平行光�的�属导轨MNPQ相距为L导轨平面与水平面夹角α＝30°导轨上端跨接一定值电阻R导轨电阻不计．整个装置处于 sketch template

25．如图所示平行且足够长的两条光��属导轨相距05m与水平面夹角为30°不计电阻广阔的匀强磁场垂直穿过导轨平面磁感应强度B＝0 sketch template

如图所示两根足够长的光�平行�属导轨MNPQ间距离L=05m其电阻不计两导轨及其构成的平面与水平面成30°角完全相同的两�属棒ab sketch template

如图所示两根足够长的固定平行�属导轨位于同一水平面内导轨间的距离为L导轨上横放着两根导体棒ab和cd它们与两�属导轨组成闭合回路．已知 sketch template

如图甲所示两根足够长的光�直�属导轨MNPQ平行放置在倾角为θ的绝缘斜面上两导轨间距为L．MP两点间接有阻值为R的电阻．一根质量为m的 sketch template

如图甲所示两根足够长的光�直�属导轨MNPQ平行放置在倾角为θ的绝缘斜面上两导轨间距为L．MP两点间接有阻值为R的电阻．一根质量为m的 sketch template

如图所示 两足够长平行光�的�属导轨 、 相距为 导轨平面与水平面夹角a 导轨上端跨接一定值出卷� sketch template

题目如图所示平行且足够长的光�导轨与水平两部分平�相连组成间距L=1m在倾斜导轨顶端连接一阻值为的定值电阻质量为m=01kg sketch template

题目如图所示水平面上有两根足够长的光�平行�属导轨MN和PQ两导轨间距为L导轨电阻忽略不计．在M和P之间接有阻值为R的甲与乙两个定值 sketch template

如图甲所示两根足够长的平行光��属导轨MNPQ被固定在水平面上导轨间距L＝06 M两导轨的左端用导线连接电阻R1及理想电压表电阻r sketch template

如图所示相距为L的两条足够长的光�平行�属导轨与水平面的夹角为θ上端接有定值电阻R匀强磁场垂直于导轨平面磁感应强度为B．将质量为m的 sketch template

如图所示两根足够长的固定平行�属光�导轨位于同一水平面导轨上横放着两根相同的导体棒abcd与导轨构成矩形回路．导体棒的两端连接着处于压缩 sketch template

如图所示两根足够长平行�属导轨MNPQ固定在倾角θ=37°的绝缘斜面上顶部接有一阻值R=1Ω的定值电阻下端开口轨道间距L=1m．整个 sketch template

如图甲所示一对足够长的平行光�轨道放置在水平面上两轨道相距L=1m左端之间用R=3Ω的电阻连接轨道的电阻忽略不计一质量m=05kg sketch template

如图所示，间距为L=1m足够长的光�平行导轨PQ、MN固定在绝缘水平桌面上，导轨左端接有阻值R=4Ω的定值电阻，质量为m=1kg的导体棒ab sketch template

如图所示两根足够长的光��属导轨MNPQ间距为l=05m其电阻不计两导轨及其构成的平面均与水平面成30°角．完全相同的两�属棒ab sketch template

如图所示两平行且无限长光��属导轨MNPQ竖直放置两导轨之间的距离为L=1m两导轨MP之间接入电阻R=02Ω导轨电阻不计在 sketch template

27．如图所示两足够长的平行光�的�属导轨MNPQ相距为d导轨平面与水平面的夹角α=30o导轨电阻不计磁感应强度为B的匀强磁场垂直于 sketch template

如图所示MNPQ为间距L=05m足够长的平行�属导轨NQ⊥MN．导轨平面与水平面间的夹角θ=37°NQ间连接有一个R=5Ω的电阻．有 sketch template

如图甲所示两水平放置的平行�属板CD相距很�上面分别开有小孔O和水平放置的平行�属导轨PQ与�属板CD接触良好且导轨在磁感应 sketch template

如图所示两条足够长的平行�属导轨相距L与水平面的夹角为q整个空间存在垂直于导轨平面的匀强磁场磁感应强度大小均为B虚线上方轨道光�且 sketch template

百度教育 sketch template

如图所示两根足够长的光��属导轨MNPQ间距为l=05m其电阻不计两导轨及其构成的平面均与水平面成30°角．完全相同的两�属棒ab sketch template

如图所示，两根足够长的光�平行�属导轨固定在同一水平面内，两导轨间的距离为L。导轨上面横放着两根导体棒ab、cd，与导轨一起构成闭合回路。两根 sketch template

如图所示间距为L平行且足够长的光�导轨由两部分组成倾斜部分与水平部分平�相连倾角为θ在倾斜导轨顶端连接一阻值为r的定值电阻．质量为m sketch template

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