27．如图所示一验电器与锌板用导线相连现用一紫外线灯照射锌板关灯之后验电器指针保持一定的偏角 A．将一带负电的�属小球与锌板接触则 Sketch Coloring Page

27．如图所示一验电器与锌板用导线相连现用一紫外线灯照射锌板关灯之后验电器指针保持一定的偏角 A．将一带负电的�属小球与锌板接触则 Template

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tomski27．如图所示一验电器与锌板用导线相连现用一紫外线灯照射锌板关灯之后验电器指针保持一定的偏角 a．将一带负电的�属小球与锌板接触则 coloring

27．如图所示一验电器与锌板用导线相连现用一紫外线灯照射锌板关灯之后验电器指针保持一定的偏角 A．将一带负电的�属小球与锌板接触则 sketch template

不定项选择如图所示一验电器与锌板相连现用一弧光灯照射锌板一段时间关灯后指针保持一定偏角A．用一带负电的�属小球与锌板接触则验电器指针 sketch template

13．如图所示一验电器与某�属板相连在A处用一绿色灯照射该�属板验电器张开一定偏角关灯后指针保持一定偏角 1现用一带�量负电的 sketch template

百度教育 sketch template

如图所示把一块不带电的锌板连接在验电器上．当用紫外线照射锌板时�现验电器指针偏转一定角度则 A．锌板带正电验电器带负电B．若改用 sketch template

如图所示用导线将验电器与洁净锌板连接触�锌板使验电器指示归零用紫外线照射锌板验电器指针�生明显偏转接着用毛皮�擦过的橡胶棒接触锌板 sketch template

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如图所示一验电器与锌板相连现用一弧光灯照射锌板一段时间关灯后指针保持一定偏角 A用一带负电的�属小球与锌板接触则验电器指针偏角将 sketch template

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15．如图所示为演示光电效应的实验装置把某�属板连至灵敏验电器第一次弧光灯直接照射�属板验电器指针张开一个角度第二次在弧光灯与�属板 sketch template

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如图所示取两个相同的验电器A和B使A带正电B不带电用带有绝缘手柄的�属棒把A和B连接起来下列说法正确的是 A A中正电荷通过 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

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小华连好了电路如图所示结果灯都不亮．这时他忽然想起来其中有一根导线内部是断开的但其余的器材都是完好的电源由三节蓄电池串联而成 sketch template

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如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

如图所示验电器A不带电验电器B的上面是一个几乎封闭的空心�属圆筒C并且B的�属箔片是张开的现手持一个带绝缘柄的�属小球D使D接触C的 sketch template

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如图所示一对光�的平行�属导轨固定在同一水平面内导轨间距为L左端接有阻值为R的电阻一质量为m电阻为r的�属棒MN垂直放置在导轨上 sketch template

如图所示一位同学在探究通电螺线管�围的磁场后画出四个小磁针表示磁感线的方�其中小磁针指�画错的是A小磁针AB小磁针BC小磁针CD小 sketch template

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