8．如图仅在电场力作用下一带电粒子沿图中虚线从a运动 到b实线表示电场线则 A．电场力做负功 b．电势能增加 C．动能增——青 Sketch Coloring Page

8．如图仅在电场力作用下一带电粒子沿图中虚线从a运动 到b实线表示电场线则 A．电场力做负功 b．电势能增加 C．动能增——青 Template

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Take a peek at some of the sketches created by our users, are you a sketchite?

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tomski8．如图仅在电场力作用下一带电粒子沿图中虚线从a运动 到b实线表示电场线则 a．电场力做负功 coloring

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题目如图所示虚线 Abc 代表电场中三条电场线实线为一带正电的粒子仅在电场力作用下通过该区域的运动轨迹PQ 是这条轨迹上的两点 sketch template

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如图所示虚线是用实验方法描绘出的某一静电场的一簇等势线及其电势的值一带电粒子只在电场力作用下沿图中的实线从A点运动到C点则下列判断正确的 sketch template

如图水平直线表示电场中的一条电场线AB为电场线上的两点一负点电荷仅在电场力作用下从静止开始由A�B做匀加速运动则电场强度A 逐渐 sketch template

在如图所示的xOy平面内存在着水平�右的匀强电场有一带正电的小球自坐标原点O沿y轴正方�竖直�上抛出它的初动能是4J不计空气阻力当它 sketch template

5．一负电荷从电场中A点静止释放只受电场力作用沿电场线运动到B点它运动的v T图象如图甲所示则两点AB所在区域的电场线分布情况 sketch template

如图所示是电场中某区域的电场线分布ab是电场中的两点则 A．电荷在a 点受到电场力方�必定与场强方�一致B．同一点电荷放在a点受到的 sketch template

如图所示匀强电场区域和匀强磁场区域是紧邻的且宽度相等均为d电场方�在纸平面内而磁场方�垂直纸面�里一带正电粒子从O点以速度V0沿垂直 sketch template

某电场的电场线的分布如图所示一个带电粒子只在电场力作用下由M点沿图中虚线所示的路径运动通过N点则下列判断正确的是A．粒子带正电B．粒子在M sketch template

8．如图甲所示AB是电场中的一条电场线质子以某一初速度从A点出�仅在电场力作用下沿直线从A点运动到B点其v T图象如图乙所示则下列 sketch template

如图所示仅在电场力作用下一带电粒子沿图中虚线从A运动到B则 A．电场力做正功B．加速度减小C．电势能增加D．加速度增大题目和参考 sketch template

17．如图所示在一个匀强电场中两个带电粒子qlq2 分别从A C 两点以垂直于电场线方�的初速度v 射人电场在电场力作用下其运动轨迹 sketch template

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带电粒子在电场中运动时若只受电场力作用则下列说法正确的是 A．带正电粒子的加速度方�总和电场线切线方�一致B．带正电粒子从静止释放 sketch template

如图所示仅在电场力作用下一带电粒子沿图中虚线从A运动到B则 A．电场力做正功B．动能减�C．电势能增加D．加速度增大题目和参考答案 sketch template

8．如图仅在电场力作用下一带电粒子沿图中虚线从a运动 到b实线表示电场线则 A．电场力做负功 B．电势能增加 C．动能增——青 sketch template

如图所示仅在电场力作用下一带电粒子沿图中虚线从A运动到B则 A．粒子带负电B．带电粒子的加速度减小C．带电粒子的电势能增加D．带电 sketch template

如图所示在等量异种电荷 Q和 Q形成的电场当中有一个正方形OABC其中O点为两电荷连线的中点下列说法正确的是 A．A点电场强度比C sketch template

8．如图所示为一正点电荷�围的电场线电场中有AB两点AB两点在同一条电场线上下列说法中正确的是 A．AB两点的电场强度相等 B．B sketch template

如图所示纸面内存在平行纸面的匀强电场一带电粒子以某速度从电场中的a点水平�射粒子仅在电场力作用下运动到b点时速度方�竖直�下则 A sketch template

如图所示一带电液滴在重力和匀强电场对它的作用力作用下从静止开始由b沿直线运动到d且bd与竖直方�所夹的锐角为45°则下列结论正确的是 sketch template

如图所示画出了匀强电场的几条电场线MN是该电场中的两点一个带正电荷的粒子仅在电场力作用下由M点运动到N点则 A．该粒子在M点的电 sketch template

如图在空间固定有两个等量正点电荷MN为它们连线的中垂线O点为连线与中垂线的交点另一带负电的点电荷仅在电场力作用下由MN上A处静止释放 sketch template

如图所示仅在电场力作用下一带电粒子沿图中虚线从A运动到 B则 A．电场力做正功 B．动能减� C．电势能增加 D．加速度增大题目和参考 sketch template

如图所示匀强电场E分布在正方形区域ABCD内场强方�与AB边平行且由B指�AMN分别是AB边BC边的中点．一个初动能为E0的带电粒子 sketch template

8．如图仅在电场力作用下一带电粒子沿图中虚线从a运动 到b实线表示电场线则 A．电场力做负功 B．电势能增加 C．动能增——青 sketch template

如图所示在水平�右的匀强电场中有一绝缘斜面斜面上有一带电�属块沿斜面�下已知在�属块�下的过程中动能增加了12J�属块克服�擦力做功 sketch template

如图所示在一个匀强电场中有一个四边形ABCD其中M为AD的中点N为BC的中点．一个带正电的粒子从A点移动到B点电场力做功为WAB=2 sketch template

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