7．如图4所示开关闭合后灯泡�光电压表和电流表分别测出了灯泡两端的电压和通过的电流并且两表的示数分别不超过3v和06a 1根据 Sketch Coloring Page

7．如图4所示开关闭合后灯泡�光电压表和电流表分别测出了灯泡两端的电压和通过的电流并且两表的示数分别不超过3v和06a 1根据 Template

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sketch #4454 Lisa by Muhammad Raiyaan

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sketch #4454 Lisa by Muhammad Raiyaan

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anonymous
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anonymous
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anonymous

anonymous
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sketch #2996 American Flag

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sketch #2881 Mickey Mouse by Michael Angcay

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anonymous
sketch #2881 Mickey Mouse by Michael Angcay

sketch #2627 Taz by sketchmaster

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sketch #2627 Taz by sketchmaster

sketch #4424 MJ by Nycole Prietsch

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anonymous
sketch #4424 MJ by Nycole Prietsch

sketch #5202 The Woman by Céline Chalois

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sketch #5202 The Woman by Céline Chalois

sketch #2625 Dragon by sketchmaster

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sketch #2625 Dragon by sketchmaster

sketch #2624 Pikachu by sketchmaster

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sketch #2624 Pikachu by sketchmaster

sketch #3339 Sasuke by Jean-Benoit Renaud

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sketch #3339 Sasuke by Jean-Benoit Renaud

sketch #4891 Pikachu by Resul Danacı

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sketch #4891 Pikachu by Resul Danacı

sketch #4555 Mario by Alexander Volodimirovich Danilchenko

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sketch #4555 Mario by Alexander Volodimirovich Danilchenko

sketch #5293

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anonymous
sketch #5293

sketch #1695

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anonymous
sketch #1695

sketch #811

Laura Agapi Asnicar
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sketch #4388 Homer and the Cherry

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anonymous
sketch #4388 Homer and the Cherry

sketch #5172 Cheshire Cat by Juan Garcia

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anonymous
sketch #5172 Cheshire Cat by Juan Garcia

sketch #5129 Konata Izumi by Urs Stefan

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sketch #5129 Konata Izumi by Urs Stefan

sketch #5182 Inuyasha by Sepp Herberger

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sketch #5182 Inuyasha by Sepp Herberger

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anonymous
sketch #2562

sketch #3554 Dr. House by Carrieann Benthem

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anonymous
sketch #3554 Dr. House by Carrieann Benthem

sketch #2359 imazighen amazigh flag

Amazigh N Amurwakuc
sketch #2359 imazighen amazigh flag

sketch #3743 Just for fun

Jay Lantz
sketch #3743 Just for fun

sketch #2939 Eye by Kimmy Kitty Perry Priemus

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sketch #2939 Eye by Kimmy Kitty Perry Priemus

sketch #5228 Rin & Len by Mark Phillips

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sketch #5228 Rin & Len by Mark Phillips

sketch #3476 Happy valentines day! Simona Honigmelone

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sketch #3476 Happy valentines day! Simona Honigmelone

sketch #4933 Tobi by Abdelwahab Haik

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sketch #4933 Tobi by Abdelwahab Haik

sketch #3755 Panda by Roberto Castro Colimil

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sketch #3755 Panda by Roberto Castro Colimil

tomski7．如图4所示开关闭合后灯泡�光电压表和电流表分别测出了灯泡两端的电压和通过的电流并且两表的示数分别不超过3v和06a 1根据 coloring

7．如图4所示开关闭合后灯泡�光电压表和电流表分别测出了灯泡两端的电压和通过的电流并且两表的示数分别不超过3V和06A 1根据 sketch template

如图所示的电路闭合开关S1和S2后下列分析正确的是 A．小灯泡亮电铃响 B．小灯泡亮电铃不响 C．小灯泡不亮电铃响 D．小灯泡不亮 sketch template

如图所示电路开关S闭合后四个灯泡都正常�光某时刻t因灯丝烧断而突然熄灭假设其它三灯丝都没烧断则 AL2变暗L3更亮L1不变 sketch template

如图4所示闭合开关电灯不亮用试电笔接触D点时氖管�光接触E点时不�光说明DE间若试电笔接触A至F各点都�光说明 图 4 sketch template

如图所示是小明制作的一只模拟调光灯．电源电压为3V小灯泡额定电压为25V．闭合开关回形针在铅笔芯最右端时灯泡两端的电压为06V流过 sketch template

在图4所示的电路中电源两端的电压为6V并保持不变R1R2为两个相同阻值的电阻开关S1闭合后下列说法中正确的是 sketch template

如图所示开关s闭合后三个灯泡属于并联的电路是 A．B．C．D．——青夏教育精英家教�—— sketch template

如图所示的电路中123456为连接点的标号．在开关闭合后�现小灯泡不亮．现用多用电表检查电路故障需要检测的有电源开关小 sketch template

如图4所示开关S闭合后�片P由a端�b端�动时R1的阻值将 电流表的示数将 电压表的示数将填“变大 “变小或“不变 ——青夏 sketch template

题目如图所示的电路中电源电压恒为3V灯泡L1标有“3V 3W L2标有“6V 的字样电流表的量程为0 06A电压表的量程 sketch template

如图所示闭合开关S后A1的示数为12AA2的示数为08AA3的示数为10A则通过灯泡L1的电流为0202A通过灯泡L2的 sketch template

在如图4所示电路中闭合开关将�动变阻器的�片P从a �到b 的过程中 A．电路中总电阻逐渐变大 B．电流表的示数先变大后变小 C．R 两端 sketch template

如图所示电源电压保持不变闭合开关后将�动变阻器R2的�片P�右移动的过程中下列说法正确的是 A．电流表A的示数变小电压表V2的示 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45V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7 所示电源电压恒定小灯泡L标有“3V 06W 字样R为定值电阻闭合S断开S1小灯泡正常�光若再闭合S1�现电流表示数 sketch template

小明用如图1所示的电路图测小灯泡电阻．已知电源电压3V待测小灯泡额定电压为25V猜想电压表示数电流表示数灯泡断路灯泡短路1当开关 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．S1S3S2C．S1S2S3——青 sketch template

如图所示电路闭合开关时灯不亮已经确定是灯泡断路或短路引起的在不能拆开电路的情况下现用一个多用电表的直流电压档直流电流档和欧姆档分别对 sketch template

如图9所示在弹簧测力计的挂钩下悬挂一个小水桶桶与水的总质量为5kg用细线系一个质量为178 Kg的铜球用手提细线上端将小球缓慢浸没在 sketch template

题目如图所示为小排量汽车在lh的时间内在水平路面上匀速行驶了72 Km消耗汽油6 Kg若已知该汽车�动机的功率为23 KW汽车 sketch template

如图所示三个灯泡是相同的当开关闭合时电流表A3的示数为02A则电流表A1A2的示数分别为0606A和0404 A三个灯泡 sketch template

10．某同学连接的电路如图7所示设电源电压不变当闭合开关将�动变阻器的�片�下�动时下面的说法中正确的是A．电压表示数变大电流表示数 sketch template

如图4a所示电路中当闭合开关后两个电压表指针偏转均为图4b所示则R1与R2两端的电压分别为 A 48V12V B 6V1 sketch template

13．如图4所示电源电压和灯泡电阻都保持不变当�动变阻器的�片P由中点�右移动时下列判断不正确的是 A．电流表和电压表的示数都增大 B sketch template

如图7所示当开关闭合后�现小灯泡不亮电流表无示数用电压表测量�现Uab=0Ubc=6VUdc=0若电路中只有一处故障则其故障 sketch template

5．在如图4所示的电路中当闭合开关S 后若将�动变阻器的�片P�下调节则 A．电压表和电流表的示数都增大 B．灯L2变暗电流 sketch template

11．如图7所示当开关S闭合后电压表V2示数为10V电压表V1示数为8V若电源电压为15V则灯气两端电压为 A 2V B sketch template

如图所示的电路中先闭合开关S1后再闭合S2则 A．灯泡L1亮L2不亮 电压表将电源短路了 B．灯泡L2亮L1不亮电压表示数 sketch template

如图所示电路闭合开关两灯均�光电压表和电流表均有读数后来两灯突然熄灭这时电压表和电流表读数均为零则故障可能是 A 灯L1开路 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

如图所示的电路中闭合开关时�现灯泡L1L2均不亮电流表指针几乎没有偏转．某同学用一根导线去找电路故障他将开关闭合然后将导线并接在 sketch template

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

3．如图所示电路闭合开关后比较abcd四处电流的大小其中正确的是 A．Ia＝Id B．Ia＜Ib C．Ib＞Ic D．Ic sketch template

7．如图所示的电路闭合开关S后abc三盏灯均能�光电源电动势E恒定且内阻r不可忽略现将变阻器R的�片稍�上�动一些三盏灯亮度变化 sketch template

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