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 Coloring Page

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 Template

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anonymous

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anonymous

anonymous
sketch #5188 Paul Walker by Taï Marsan

sketch #3222 Late happy valentine&#;s from Tiffa Hidalgo Jordan Coquet

anonymous

anonymous
sketch #3222 Late happy valentine&#;s from Tiffa Hidalgo Jordan Coquet

sketch #1452 donara

Donara Smbatyan
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anonymous

anonymous
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sketch #5077 Light of Hope by Itz Rakhi

anonymous

anonymous
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Laura Agapi Asnicar
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sketch #5208 Alf by David Rossien

anonymous

anonymous
sketch #5208 Alf by David Rossien

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anonymous

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sketch #2393

anonymous

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sketch #3476 Happy valentines day! Simona Honigmelone

anonymous

anonymous
sketch #3476 Happy valentines day! Simona Honigmelone

sketch #5297 Journey by Dmitry Sidorenko

anonymous

anonymous
sketch #5297 Journey by Dmitry Sidorenko

sketch #2836 Angry smurf maradona by BaGaz Anggara

BaGaz Anggara
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sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

anonymous

anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

sketch #2635 Zoidberg by sketchmaster

sketchmaster
sketch #2635 Zoidberg by sketchmaster

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anonymous

anonymous
sketch #4736 Naruto by Wellen Lima

sketch #4821 Johnny M. by Z Ionut Ady

anonymous

anonymous
sketch #4821 Johnny M. by Z Ionut Ady

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anonymous

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anonymous

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sketch #5178 Mewtwo and Transformation by Riley Hart

anonymous

anonymous
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sketch #3908 Rawr! by Timothy Palfreyman

anonymous

anonymous
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sketch #4891 Pikachu by Resul Danacı

anonymous

anonymous
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sketchmaster
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sketch #3919 this is not my best but i did it because it looks very cool

anonymous

anonymous
sketch #3919 this is not my best but i did it because it looks very cool

sketch #4796

anonymous

anonymous
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sketch #1447 donara

Donara Smbatyan
sketch #1447 donara

tomski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 coloring

如图所示当开关S1断开时电路是断路当开关S2断开S1闭合时电路是通路当开关S1S2都闭合时电路是短路均选填“通路 “断路或 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

题目如图甲所示的电路中小灯泡L标有“6V 3W 字样闭合开关SS1断开开关S2将�动变阻器的�片P从最左端移动到最右端在图乙中 sketch template

如图所示开关S闭合S1断开时电流表A1的示数为01A电流表A的示数为03A则通过灯L2的电流为 A若开关SS1都闭合则电流 sketch template

如图所示电源电压保持不变灯L1和L2的阻值不随温度变化．当开关S闭合时通过灯L1的电流为3A当开关S断开时灯L2消耗的电功率为10W sketch template

18．如图7所示电路中当开关S1S2均闭合时A1的示数是0．32AA2的示数是0．56A A3的示数是 这是因为 A4的示数是 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

如图所示电源电压保持不变．当断开开关S1闭合开关S和S2�动变阻器的�片P移至B端接入电路中的电阻为R2时电流表的示数为I1电阻R1 sketch template

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S2S3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S闭合S1断开时电流表A1的示数为01A电流表A的示数为03A则通过灯L2的电流为0202A若开关SS1都 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要使灯L1和L2组成并联电路应闭合开关 应断开开关 A．S2S3S1B．S1S3S2C．S1S2S3——青 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

如图所示是一种延时开关当S1闭合时电磁铁将衔铁D吸下C线路接通当S1断开时由于电磁感应作用D将延迟一段时间才被释放则 1 sketch template

如图所示当S1S2断开时能亮的灯是 它们是 联的当S1S2闭合时能亮的灯是 联的当S1闭合S2断开时能亮的灯是 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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03A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电路当开关S1闭合时电流表示数是03A当开关S1 S2都闭合时电流表示数是05A．问1当S1 S2都闭合时灯泡L1 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06A当只闭合开关S2时电流表的示数为02A．求1 sketch template

如图所示电路电源电压不变当开关S闭合S1与S2断开时电流表示数为I1电压表示数为U1当开关SS1S2都闭合时电流表示数为I2 sketch template

如图所示电源电压也5V不变．S闭合后电压表示数为3V．则灯L1两端的电压为 VS断开后电压表示数为 V．——青夏教育精英家教�—— sketch template

如图所示的电路中当开关S闭合S1S2断开时灯泡L1和L3串联当开关SS1S2均闭合时电流表测的是通过L2中的电流．题目和参考 sketch template

10．如图12所示当开关s闭合时两个电流表的示数变化情况正确的是 A．两个电流表示数都变大 B．两个电流表示数都变小 C．电流表A1示数不 sketch template

如图所示闭合开关S时小灯泡L1L2都不亮用一段导线的两端接触ab两点时两灯都不亮接触bc两点时两灯也不亮接触cd两点时 sketch template

如图所示当开关S1S2都断开时电路是开路当开关S1闭合S2断开时电路是通路当开关S1S2都闭合时电路是短路．题目和参考答案 sketch template

如图11所示是一种延时开关当S1闭合时电磁铁F将衔铁D吸下C线路接通当S1断开时由于电磁感应作用D将延迟一段时间才被释放则 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

19．如图所示电源电压不变R1=6ΩR2=4Ω． 1当开关S1闭合S2S3断开时电流表的示数为06A电路总电阻是 Ω电源 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03A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电路中电源电压保持不变．当开关S断开时电压表示数为3V．当开关S闭合时电压表示数为12V．开关闭合时电源电压是3V灯L1 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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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

如图所示R1=20ΩR2=30Ω电源电压U=6V．当开关S断开时电路中的电流是012012A当开关S闭合时通过电阻R1的电流是 sketch template

如图所示电路中1如果闭合S1S3而断开S2则灯L2亮2若使L1L2并联则应闭合S2S3断开S13同时闭合开关S1和 sketch template

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