如图所示开关s3闭合时可能�生的现象是 A．e1�光e2不�光b．e1e2均可�光c．e1不�光e2�光d．电池被烧坏——青夏 Sketch Coloring Page

如图所示开关s3闭合时可能�生的现象是 A．e1�光e2不�光b．e1e2均可�光c．e1不�光e2�光d．电池被烧坏——青夏 Template

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

sketch #5270 Fresh prince by Fatér Szilvia

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sketch #5270 Fresh prince by Fatér Szilvia

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anonymous
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sketch #5232 Avril by Teresa Temacha

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anonymous
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sketch #5290 Kyuubi Jorge Valero

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sketch #3742 Homer by Koes Maung

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sketch #3517 Scratch from Ice Age by VlAd Craciun

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sketch #4972

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sketch #3385

sketch #3247 Thor by Juvenilia Alexandrino

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sketch #3247 Thor by Juvenilia Alexandrino

sketch #3473 Finn by Luana Santos

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sketch #3473 Finn by Luana Santos

sketch #4918 Mike Wazowsky by George Andres Crowther Castillo

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sketch #4918 Mike Wazowsky by George Andres Crowther Castillo

sketch #2070

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sketch #2070

sketch #5216 D by Gabriela Segura

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sketch #5216 D by Gabriela Segura

sketch #21085 Tobirama by Enrique L. Manly

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sketch #21085 Tobirama by Enrique L. Manly

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sketch #3613

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anonymous
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sketch #2977 Spongebob Germaine Hoens

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sketch #2977 Spongebob Germaine Hoens

sketch #5199 Catface by Noeli Racioppo

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sketch #5199 Catface by Noeli Racioppo

sketch #5084 Harry Potter by Enrique L. Manly

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sketch #5084 Harry Potter by Enrique L. Manly

sketch #137

Chris Shrimp Lonsdale
sketch #137

tomski如图所示开关s3闭合时可能�生的现象是 a．e1�光e2不�光b．e1e2均可�光c．e1不�光e2�光d．电池被烧坏——青夏 coloring

1如图甲所示电路中要使灯L1和L2连接成并联电路应闭合S2S3同时断开开关S1要使两灯连接成串联电路应闭合开关S1同时断开开关 sketch template

如图所示开关S3闭合时可能�生的现象是 A．E1�光E2不�光B．E1E2均可�光C．E1不�光E2�光D．电池被烧坏——青夏 sketch template

如图所示的电路中若要使灯L1和L2组成并联电路应闭合开关 应断开开关 A．S2S3S1B．S1S3S2C．S1S2S3——青 sketch template

如图所示的电路中若同时闭合开关S1和S3、断开S2电阻R1与R2是 的若只闭合开关S2电阻R1和R2是 的均选填 sketch template

如图所示开关S3闭合时可能�生的现象是 A．E1�光E2不�光B．E1E2均可�光C．E1不�光E2�光D．电池被烧坏——青夏 sketch template

如图所示电路中的总电压和灯L的电阻保持不变当闭合开关S1断开开关S2和S3时灯L正常�光电压表示数为6V当闭合开关S1S2断开 sketch template

如图所示开关S3闭合时可能�生的现象是 A．E1�光E2不�光B．E1E2均可�光C．E1不�光E2�光D．电池被烧坏——青夏 sketch template

如图所示的电路下列说法中正确的是 A．当S1S3断开S2闭合时L1与L2串联B．当S2断开S1S3闭合时L1与L2并联C．当 sketch template

如图所示电路，若只闭合开关S1、S3，则R1、R2的连接方式是 （“串联”或“并联”）；若同时闭合开关S1、S2、S3，则电路为（“通路 sketch template

如图所示的电路中电源电压不变电阻R1的阻值为20Ω．当断开开关S1和S2闭合开关S3时电流表的示数为050A当断开开关S2闭合 sketch template

如图所示电路中电源电压适当要使电铃和电灯同时有电流通过以下做法中正确的是A．闭合S2断开S1S3 B．断开S3闭合S1S2 C sketch template

如图所示当S1S3 闭合S2断开时L1L2的连接方式是 联当S1S3断开S2闭合时L1L2的连接方式是 联．——青夏教育 sketch template

如图所示的电路中要使电阻R1和R2组成并联电路则开关的断开闭合情况应该是 A．S1闭合S2S3断开B．S2闭合S1S3断开C sketch template

如图所示R1=6ΩR2=9Ω如果同时闭合三个开关电路将要使R1R2并联则应闭合开关 只闭合开关S3时电流表的示数是 A sketch template

如图所示的电路中要使灯L1L2并联�光则应闭合开关 A．S1 B．S1S3 C．S2S3 D．S1S2S3——青夏教育精英家教�—— sketch template

如图所示的电路中当开关S1闭合S2S3断开时R1上消耗的电功率是6W再把开关S2闭合后电路消耗的电功率共为9W电流表示数增加0 sketch template

如图所示电路要使灯泡L1和L2组成串联电路应该 A．只闭合S3B．只闭合S2C．同时闭合S1和S2D．同时闭合S1和S3——青夏教育 sketch template

如图所示电路开关S1闭合后S2的断开与闭合使电流表A2的两次示数之比为35由此可知R1与R2的阻值之比为23S2断开再闭合的过程 sketch template

如图所示电源电压保持不变已知R1=20Ω当只闭合开关S1时电流表的示数为06A当只闭合开关S2时电流表的示数为02A．求1 sketch template

如图所示电路电源电压U不变当开关S1S2S3都闭合时电路处于选填“断路 “短路或“通路状态若只闭合开关S2小灯泡L1 sketch template

如图所示开关S闭合时可能�生的现象是 AL1被烧坏 BL1L2均�光 C电池被烧坏 DL2被烧坏 题目和参考答案——青夏教育 sketch template

如图所示L1L2两灯的电阻分别是R1R2．当S1S3 闭合S2断开时L1L2 正常�光．当S1S3断开S2闭合时L1L2的 sketch template

如图所示闭合开关S如果A1示数为05AA2示数为04AA3示数为07A则通过灯L1L2L3的电流为多�A 题目和参考答案 sketch template

如图所示电源电压不变当开关S1S2同时闭合时电流表的示数是03A电压表示数是6V．若两表互换位置当开关S2闭合S1断开时电流 sketch template

19．如图所示电源电压不变R1=6ΩR2=4Ω． 1当开关S1闭合S2S3断开时电流表的示数为06A电路总电阻是 Ω电源 sketch template

如图所示电路图电源电压恒定．当开关S1S2断开S3闭合时电流表的读数为03安电压表的读数为24伏．当开关S1S2闭合S3断开 sketch template

如图所示当开关S 闭合时电磁铁和物体ab 相互吸引则正确的说法是 A Ab 一定是磁铁且a 端一定是N 极B 一定是磁铁 sketch template

如图所示电路下列说法错误的是 A．只闭合S1时L1L3串联B．闭合S1S3时L1L3亮C．闭合S1S4时L1L2L3都 sketch template

如图所示开关S闭合S1断开时电流表A1的示数为01A电流表A的示数为03A则通过灯L2的电流为 A若开关SS1都闭合则电流 sketch template

如图所示当开关S1S2S3都闭合时能�光的灯是 当闭合开关S1断开开关S2S3时能�光的灯是 它们是 ．题目和参考答案 sketch template

如图所示当开关S闭合时�现只有一灯�光且电压表示数为45V产生这一现象的原因可能是 A灯L1断路 B灯L1短路 C灯L2 sketch template

题目如右图所示家庭电路中当开关S闭合后灯泡L不亮用试电笔测试cd两点时氖管都�光测试ab两点时只有a点氖管�光则故障可能 sketch template

如图所示电路电源两端电压不变只闭合开关S1时电流表的示数为02A只闭合开关S2时电流表的示数为01A只闭合S3时电流表的示数 sketch template

如图所示当开关S1S2都闭合时则 A．三盏灯串联且都能�光B．三盏灯并联且都能�光C．只有灯L1�光D．灯L1L2�光题目和 sketch template

如图所示的电路图以下判断正确的是 A．S1S2都断开时三个灯泡串联B．S1S2都闭合时三个灯泡并联C．S1闭合S2断开时只有 sketch template

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