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ss1都闭合则电流 Sketch Coloring Page

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ss1都闭合则电流 Template

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anonymous

anonymous
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anonymous

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anonymous

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anonymous

anonymous
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anonymous

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Cristina Love
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anonymous

anonymous
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anonymous

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sketch #3476 Happy valentines day! Simona Honigmelone

anonymous

anonymous
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anonymous

anonymous
sketch #1082 Seher 6 years

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sketch #120 a pretty flower

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sketch #120 a pretty flower

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anonymous

anonymous
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anonymous

anonymous
sketch #5078 Naruto by Shimun Yeyo Ahmed

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anonymous

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anonymous

anonymous
sketch #3042 Tobi by Mirnes Sinanovic

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sketch #5127 Captain America by Mark Phillips

anonymous

anonymous
sketch #5127 Captain America by Mark Phillips

tomski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ss1都闭合则电流 coloring

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

18．如图15 15所示的电路中闭合S 当开关 S1从断开到闭合的过程中下列说法中正确的是 A．S1 闭合后电流表 A1A2示数相等 sketch template

如图所示电源电压恒定R1=20Ω．闭合开关S断开开关S1电流表示数为03A若再闭合S1�现电流表示数变化了02A求电源电压和 sketch template

如图所示电源电压不变当开关S1S2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

如图所示当开关S闭合S1断开时电流表示数为042A若只闭合S1而断开S时电流表示数为07A则通过L2的电流是 A．0 sketch template

如图所示电源电压不变当开关S1S2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

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

如图当开关S闭合S1打开时电流表A的示数为I．当开关SS1都闭合时电流表A的示数为I′．比较II′大小正确的是 A．I=I′B 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0202A若开关SS1都 sketch template

如图2所示电路，当开关S闭合后，L1、L2均能�光，电流表、电压表均有示数．过一会儿，两灯都不�光．电流表、电压表的示数均为零，可能�生的故障 sketch template

如图6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

如图所示的电路中当开关S闭合S1S2断开时灯泡L1L3串联当开关SS1S2均闭合时灯泡L1L2并联此时电流表测的是L2中 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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当开关S闭合后下列说法正确的是 A．灯L1与灯L2是并联的B．电压表可测出灯L1两端的电压C．电流表A1测的是灯L1的电流D sketch template

如图2所示的电路中电源电压不变开关闭合后若�动变阻器的�片P�右端移动则 A电压表的示数和电流表的示数都增大 B电压表的示数和电流 sketch template

如图所示电阻R1的阻值为5Ω 1开关S1闭合S2断开�片P�至最左端时电压表示数为6V电流表示数为03A�动变阻器R’的最大 sketch template

在如图所示的电路中开关S闭合时电灯L1和L2是并联的断开开关S电流表的示数不变选填“变大 “变小或“不变电压表的示数不变 sketch template

在如图所示电路中电源电压6V保持不变．只闭合开关S1电流表示数为02A再闭合开关S2电流表示数变化了04A．则R2的阻值为 Ω sketch template

如图所示当开关S闭合后下列说法正确的是 A 灯L1与灯L2是串联且灯L1被短路 B 电流表A1测的是灯L1的电流C 电流表A2测的 sketch template

如图4所示当开关S闭合时灯L1L2均不亮某同学用一根导线探究其故障当把导线并接在灯L1两端时�现灯L2亮灯L1不亮当把导线并接在 sketch template

如图所示AB间电压保持不变．当开关S断开时电流表示数为05A这时用电器R2上的电功率是75W如果S闭合则电流表的示数为08A sketch template

如图所示当开关S闭合时电流表A1A2的示数分别为I1I2则 I1I2的大小关系是AI1=I2BI1＞I2CI1＜I2D无法 sketch template

如图所示电源电压不变当开关由闭合到断开时电压表和电流表的示数 AA1和A2的示数均不变V示数变大BA1和V的示数均不变 sketch template

如图所示电源电压保持不变当开关S1闭合S2断开时电压表的示数是28V当S1断开S2闭合时电压表的示数为6V则灯L1与L2两端的 sketch template

如图所示的电路中开关S1S2都闭合时三个电流表A1A2和A3的示数分别是I1I2和I3若已知I1=02AI2=03A则I3 sketch template

如图所示当开关S1闭合时电流表的示数为1A开关S1S2同时闭合时电流表的示数为15A．已知电阻R1为20Ω求1电源电压 sketch template

题目如图所示当开关S闭合时两灯均�光电流表A和A1比较的示数较大．�片P�左移动时电流表A的示数填“变大 “不变或“变小 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S1S2 C 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电源电压不变当开关S闭合与断开时R1两端的电压之比是4∶3则当S断开时R1与R2的功率之比是 A．3∶1B．1∶3 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

如图所示的电路中电源电压保持不变．当�动变阻器的�片P�右�动时 电流表和电压表的示数变化情况是 A．电流表和电压表的示数都变大 sketch template

如图所示的电路中电源电压保持不变R为定值电阻当开关闭合时标有“6V 3W 的小灯泡L恰好正常�光若保持R不变将L换成另一只标有 sketch template

如图所示电源电压不变当开关S闭合时电流表示数是1A当开关S断开时电流表示数是06A则电阻R1与电阻R2的阻值之比是 A．3 sketch template

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