如图所示为某示波管内的聚焦电场实线和虚线分别表示电场线和等势线．则 A．场强ea＞eb＞ecb．电势ϕa＞ϕbϕc＞ϕbc．沿cba Sketch Coloring Page

如图所示为某示波管内的聚焦电场实线和虚线分别表示电场线和等势线．则 A．场强ea＞eb＞ecb．电势ϕa＞ϕbϕc＞ϕbc．沿cba Template

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sketch #859 meyvalar

anonymous

anonymous
sketch #859 meyvalar

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anonymous
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sketch #687 Buddha Peace

anonymous

anonymous
sketch #687 Buddha Peace

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anonymous

anonymous
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sketch #1068 dançando

anonymous

anonymous
sketch #1068 dançando

sketch #3734

Goran Djordjevic
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sketch #2025

anonymous

anonymous
sketch #2025

sketch #5187

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anonymous
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sketch #3483 Ginger

Sarah Nila
sketch #3483 Ginger

sketch #2976 A girl watches the moon

Laura Agapi Asnicar
sketch #2976 A girl watches the moon

sketch #5149 Daenerys Targaryen by Jorge Valero

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anonymous
sketch #5149 Daenerys Targaryen by Jorge Valero

sketch #4887 Jessica Rabbit by Garima Taneja

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anonymous
sketch #4887 Jessica Rabbit by Garima Taneja

sketch #5311

anonymous

anonymous
sketch #5311

sketch #3042 Tobi by Mirnes Sinanovic

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anonymous
sketch #3042 Tobi by Mirnes Sinanovic

sketch #3360

anonymous

anonymous
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sketch #2881 Mickey Mouse by Michael Angcay

anonymous

anonymous
sketch #2881 Mickey Mouse by Michael Angcay

sketch #1536 Dark Night

anonymous

anonymous
sketch #1536 Dark Night

sketch #3063

anonymous

anonymous
sketch #3063

sketch #3064

anonymous

anonymous
sketch #3064

sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

Jose Rondon
sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

sketch #2735

Jorge Valero
sketch #2735

sketch #2150 batman

anonymous

anonymous
sketch #2150 batman

sketch #4301

Ainhoa White
sketch #4301

sketch #3774 Marilyn Manson by Junior Silva

anonymous

anonymous
sketch #3774 Marilyn Manson by Junior Silva

sketch #3444 PSY by Melodee Ripepi

anonymous

anonymous
sketch #3444 PSY by Melodee Ripepi

sketch #4831

anonymous

anonymous
sketch #4831

sketch #5052 Gorillaz by Rafał Dawid

anonymous

anonymous
sketch #5052 Gorillaz by Rafał Dawid

sketch #245 Fishy

Lucy Barnard
sketch #245 Fishy

sketch #214 bugs bunny

anonymous

anonymous
sketch #214 bugs bunny

sketch #4467

anonymous

anonymous
sketch #4467

tomski如图所示为某示波管内的聚焦电场实线和虚线分别表示电场线和等势线．则 a．场强ea＞eb＞ecb．电势ϕa＞ϕbϕc＞ϕbc．沿cba coloring

如图3图所示为某示波管内的聚焦电场，实线和虚线分别表示电场线和等势线，两电子分别从a、b两点运动到C点，设电场力对两电子做的功分别为Wa和Wb sketch template

示波器的使用方法文档之家 sketch template

16．如图所示是示波管的原理示意图电子从灯丝�射出来的经电压为U1的电场加速后通过加速极板A上的小孔O1射出沿中心线O1O2进入MN间的 sketch template

如图所示为真空示波管的示意图电子从灯丝K�出经灯丝与A板间的加速电压U1加速从A板中心孔沿中心线KO射出然后进入由两块平行�属板MN sketch template

示波器的原理和使用 sketch template

如图所示为电缆终端�围的电场分布情况，图中虚线为等势线，实线为电场线，a、b、c三点为不同电场线和等势面的交点。【参考答案� sketch template

如图所示实线表示某一时刻两个相干波源S1S2�出的波的波峰位置 虚线表示波谷位置 则图中ab两点再经过半个�期时其中点为振动减弱 sketch template

如图7所示实线表示两个相干波源S1S2�出的波的波峰位置则图中的 点为振动加强的位置图中的 点为振动减弱的位置．——青夏教育精英家教�—— sketch template

如图所示为等量异号电荷电场的电场线和等势线，关于图 高途 sketch template

一列简谐横波在某时刻的波形图如图中的实线所示经 T=002s后的波形如图中虚线所示则该波的速度v和�率f可能是 A．v为5m/sB sketch template

百度教育 sketch template

如图甲所示是小明“探究电流与电压、电阻的关系”的实验电路图。选用的实验器材是：电源3V、电流表（00 6A）、出卷� sketch template

等量异种点电荷和等量同种点电荷连线上和中垂线上场强及电势的变化规律 1如图所示等量异种点电荷的连线上从正电荷到负电荷电势越来越低 sketch template

如图所示为真空示波管的示意图电子从灯丝K�出经灯丝与A板间的加速电压U1加速从A板中心孔沿中心线KO射出然后进入由两块平行�属板MN sketch template

$由库�定律可知真空中两个静止的点电荷当所带电荷量分别q1和q2其间距为r 时它们之间静电力的大小为F=k$frac{{{q 1}{q sketch template$

如图所示实线为电视机显像管主聚焦电场中的等势面．abcd为圆上的四个点则下列说法中正确的是 A．abcd 四点电势不等但 sketch template

百度教育 sketch template

如图所示某一真空区域内充满匀强电场和匀强磁场此区域的宽度 D = 8 Cm 电场强度为E方�竖直�下磁感应强度为 B 方�垂直纸 sketch template

如图所示实线为一电场中的等势面是中心对称图形．abcd是以中心点为圆心的圆�上的四个点则下列说法中正确的是 A．abcd sketch template

如图所示两个完全相同的小球AB用等长的细线悬于O点开始两球均静止两悬线竖直线长为L．若将A球拉至图示位置由静止释放则B球被碰后第一 sketch template

如图中所示虚线表示等势面相邻等势面间的电势差相等有一带正电的小球在电场中运动实线表示该小球的运动轨迹．小球在a点的动能等于20evb点 sketch template

如图所示在某匀强电场中以O点为圆心r为半径作一圆在O点固定一电荷量为 Q的点电荷abcd为相互垂直的两条直线和圆�的交点把 sketch template

如图所示正电荷在电场中沿某一电场线从A点移动到B点在此过程中 A．电场力一定不断减小B．电场力做正功C．电场力一定保持不变D．电势能 sketch template

如图所示为某电场中的一条电场线沿电场线方�有MN两点下列说法中正确的是 A正点电荷在M点的电势能比在N点的电势能大 B正点电荷在M sketch template

如图所示为某一电场的电场线在电场中有ab两点试比较ab两点场强EaEb的大小引入一电荷量很小的点电荷比较该点电荷在ab 两点所 sketch template

4．如图所示实线为一组方�未知的电场线虚线为某带电粒子经过该区域时的运动轨迹ab为其轨迹上的两点若该粒子运动过程中只受电场力作用 sketch template

如图中所示虚线表示等势面相邻等势面间的电势差相等有一带正电的小球在电场中运动实线表示该小球的运动轨迹．小球在a点的动能等于20evb点 sketch template

如图所示为某电场中的几条电场线和等势面一重量不计的带电粒子在电场中沿AB曲线运动先后经过AB两点此粒子带的是 电经过AB两点时的 sketch template

如图所示三条平行等距的虚线表示电场中的三个等势面电势值分别为10V20V30V实线是一带负电的粒子在该区域内的运动轨迹对于轨迹上的 sketch template

如图所示实线为电场线虚线为等势线且相邻两等势线间的电势差相等一正电荷在等势线φ3上时具有动能12J它在运动到等势线φ1上时速度等于 sketch template

17．如图所示ABC为某电场中的三条等势线其电势分别为3V5V7V实线为带电粒在电场中运动时轨迹PQ为轨迹与AC的交点电荷只 sketch template

如图所示实线为一组方�未知的电场线虚线为某带电粒子经过该区域时的运动轨迹ab为其轨迹上的两点．若该粒子运动过程中只受电场力作用根据 sketch template

如图所示虚线abc代表电场中三个等势面相邻等势面之间的电势差相同实线为一带正电的质点仅在电场力作用下通过该区域的运动轨迹PQ是 sketch template

如图所示为某一点电荷Q产生的电场中的一条电场线AB为电场线上的两点当电子以某一速度沿电场线由A运动到B的过程中动能增加则可以判断 sketch template

如图所示某一电场中的几条电场线AB为电场中两点用EA和EB表示AB两处的电场强度则 A．EA＜EBB．EA=EBC．EA sketch template

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