13．如图所示将原来不带电的绝缘导体ab置于带正电的点电荷c所形成的电场中规定大地或无穷远处的电势为零则有bc A．绝缘导体上ab Sketch Coloring Page

13．如图所示将原来不带电的绝缘导体ab置于带正电的点电荷c所形成的电场中规定大地或无穷远处的电势为零则有bc A．绝缘导体上ab Template

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tomski13．如图所示将原来不带电的绝缘导体ab置于带正电的点电荷c所形成的电场中规定大地或无穷远处的电势为零则有bc a．绝缘导体上ab coloring

13．如图所示将原来不带电的绝缘导体AB置于带正电的点电荷C所形成的电场中规定大地或无穷远处的电势为零则有BC A．绝缘导体上AB sketch template

题目如图所示ABC三个小球的质量分别为m2m3mB小球带负电电荷量为qAC两小球不带电不考�小球间的静电感应不可 sketch template

如图所示原来不带电的�属球壳内壁接地将一带正电的小球放入其中但不与球壳接触则 A．球壳内壁带负电 B．球壳外壁带正电 C．球壳 sketch template

如图所示将一带正电的�属小球接触一个原来不带电的验电器的�属球则关于验电器中两�属箔片下列说法正确的是 A．因不带电而不会张开B．因 sketch template

如图所示平行�属板中带电油滴P原来处于静止状态不考�电流表和电压表对电路的影响R1的阻值和电源内阻r相等．当�动变阻器的�片�b端移动时 sketch template

如图所示，一带负电荷的�属球，外面同心地罩一不带电的�属球壳，则在球壳中一点P处的场强大小与电势（设无穷处为电势零点）分别为（）AE 百度教育 sketch template

如图所示两个不带电的导体A和B用一对绝缘柱支持使他们彼此接触把一带正电荷的物体C置于A附�贴在AB下部的�属箔都张开 A．此时A sketch template

如图所示在真空中把一不带电的绝缘导体AB放在一带负电的小球P附�处于静电平衡状态MN代表导体内部的两点取无穷远处电势为零此时导体的 sketch template

如图所示电磁铁A薄铁片B与秤盘支架组成的装置悬挂于弹簧测力计C的下面当电磁铁A通电后铁片B突然吸引到如图乙所示的位置此时轻绳绷紧 sketch template

如图所示两个互相接触的不带电的导体A和B均放在绝缘支架上现用带正电的玻璃棒靠�导体A但不接触若先将AB分开再移去玻璃棒则AB sketch template

题目如图所示的电路中电源电压为 6V且保持不变�动变阻器 R 的规格为“40Ω 1A 定值电阻 R1的规格为“10Ω 05A 只 sketch template

如图所示的电路中如果将电流表与电压表所接的位置互换则�生的结果是 A．电压表有示数电流表指针几乎不动B．电压表没有示数电流表立即 sketch template

题目如图所示电路中电源电压保持不变闭合开关S后将�动变阻器R2的�片P�右移动在此过程中 A 电流表A的示数变大电压表V2 sketch template

小敏用如图甲所示的电路图研究通过导体的电流与导体电阻的关系电源电压恒为6V改变电阻R的阻值调节�动变阻器�片保持R两端的电压不变记 sketch template

如图所示将带正电的甲球放在不带电的乙球左侧两球在空间形成了稳定的静电场实线为电场线虚线为相邻电势差相等的等差等势线．AB两点与两球 sketch template

如图所示将带电棒移�两个不带电的导体球两个导体球开始时互相接触且对地绝缘下述那种方法能使两球都带电 A．先把两球分开再移走棒B．先移 sketch template

如图所示将带电棒移�两个不带电的导体球两个导体球开始时互相接触且对地绝缘下述几种方法中能使两球都带电的是 A．先把两球分开再移走棒 sketch template

如图所示电路电源电压保持不变闭合开关S后将�动变阻器R2的�片P�右移动在此过程中 A．电流表A示数变大电压表V2示数变小B sketch template

如图所示三个可视为质点的�属小球ABC质量分别为m2m和3mB球带负电AC带正电电量大小均为q用不可伸长的绝缘细线将三球 sketch template

如图所示光�绝缘水平桌面上有AB两个带电小球A球带电量为 2qB球带电量为 Q将它们同时由静止开始释放A球加速度的大小为B球的2倍 sketch template

用如图所示的实验装置探究“产生感应电流的条件．1实验中通过观察电流表指针是否偏转来判断电路中是否有感应电流．2闭合开关若导体ab sketch template

如图所示当导体ab水平�右运动时电流表指针�左偏转．下列情况中电流表指针偏转方�正确的是Aab不动磁体�右运动指针�左偏转B磁体 sketch template

题目如图所示一带电荷量为q＝ 5×10 3 C质量为m＝01 Kg的小物块处于一倾角为θ＝37°的光�绝缘斜面上当整个装置处于一 sketch template

如图所示在空间中存在垂直纸面�里的场强为B匀强磁场其边界ABCD的宽度为d在左边界的Q点处有一质量为m带电量大小为q的负粒子沿与左 sketch template

如图所示把一个带正电的小球放入原来不带电的�属空腔球壳内并接触其结果可能是 A．球壳的内外表面都带正电B．只有球壳外表面带正电C．球 sketch template

如图所示两个互相接触的导体A和B不带电现将带正电的导体C靠�A端放置三者均有绝缘支架请判断AB带电情况如何�若先将AB分开再移走C sketch template

题目如图所示为速度选择器装置场强为E的匀强电场与磁感应强度为B的匀强磁场互相垂直．一带电量为 Q质量为m的粒子不计重力以速度v水平 sketch template

如图所示将M棒用细线自由地悬挂起来使之成为静止状态当用N棒一端靠�M棒的一端时若二者相互吸引那么A．N棒原来一定是磁体 B．M棒原来 sketch template

29．如图所示使一薄钢条下端固定现分别用不同的力去推它使其�生甲乙丙丁各图所示的形变如果F1=F3=F4&gtF2能说明力的作用 sketch template

如图所示将平行板电容器两极板分别与电池正负极相接两板间一带电液滴恰好处于静止状态．现贴着下板插入一定厚度的�属板则在插入过程中 A sketch template

如图所示实线为不知方�的三条电场线从电场中M点以相同速度飞出ab两个带电粒子仅在电场力作用下的运动轨迹如图中虚线所示则 A．a sketch template

如图所示物块A在固定的斜面B上运动现在A上施加一个竖直�下的恒力F下列说法正确的是A若物块A原来匀速下�施加力F后仍匀速下�B若物 sketch template

如图所示已知甲乙两个相同的验电器甲带负电乙不带电拿一根有绝缘柄的�属杆把两个验电器连接起来．下列说法正确的是 A．甲验电器的�属箔 sketch template

一带负电的�属小球放在潮湿的空气中经过一段时间后�现该�属小球上的净电荷几乎不存在了这说明 A．�属小球上原来的负电荷消失了B．此 sketch template

如图所示平行板电容器与电源相连下极板接地．一带电油滴位于两极板的中心P点且恰好处于静止状态现将平行板电容器两极板在纸面内绕OO′迅速顺 sketch template

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