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 Coloring Page

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 Template

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sketch #5161

anonymous

anonymous
sketch #5161

sketch #2836 Angry smurf maradona by BaGaz Anggara

BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara

sketch #4454 Lisa by Muhammad Raiyaan

anonymous

anonymous
sketch #4454 Lisa by Muhammad Raiyaan

sketch #666

Tom Kelly
sketch #666

sketch #1440 donara

Donara Smbatyan
sketch #1440 donara

sketch #4736 Naruto by Wellen Lima

anonymous

anonymous
sketch #4736 Naruto by Wellen Lima

sketch #1118 easy zombie

anonymous

anonymous
sketch #1118 easy zombie

sketch #5157

anonymous

anonymous
sketch #5157

sketch #3362 The Boss by David Torre

anonymous

anonymous
sketch #3362 The Boss by David Torre

sketch #5064

anonymous

anonymous
sketch #5064

sketch #3716

anonymous

anonymous
sketch #3716

sketch #2765 Kratos by Nassim Nouri

Nassim Nouri
sketch #2765 Kratos by Nassim Nouri

sketch #4881

anonymous

anonymous
sketch #4881

sketch #5271

anonymous

anonymous
sketch #5271

sketch #1226 the man

anonymous

anonymous
sketch #1226 the man

sketch #5193

anonymous

anonymous
sketch #5193

sketch #2178

anonymous

anonymous
sketch #2178

sketch #334 DON 'T!

anonymous

anonymous
sketch #334 DON 'T!

sketch #3410

anonymous

anonymous
sketch #3410

sketch #4979 Luffy

anonymous

anonymous
sketch #4979 Luffy

sketch #245 Fishy

Lucy Barnard
sketch #245 Fishy

sketch #4769 Finn and Jake by Neo Ʀazor

anonymous

anonymous
sketch #4769 Finn and Jake by Neo Ʀazor

sketch #3192 Snake by Isaias Valenzuela Chaver

anonymous

anonymous
sketch #3192 Snake by Isaias Valenzuela Chaver

sketch #5154

anonymous

anonymous
sketch #5154

sketch #2892 Joker by Frank Aguiar Au

anonymous

anonymous
sketch #2892 Joker by Frank Aguiar Au

sketch #2996 American Flag

James Forest
sketch #2996 American Flag

sketch #4921

anonymous

anonymous
sketch #4921

sketch #76

Rachel Roe
sketch #76

sketch #3765 Happy easter!

anonymous

anonymous
sketch #3765 Happy easter!

sketch #4424 MJ by Nycole Prietsch

anonymous

anonymous
sketch #4424 MJ by Nycole Prietsch

tomski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 coloring

如图所示的电路中电源的电压保持不变R1为定值电阻R2为�动变阻器闭合开关S�片P�右移动时则A．电流表A的示数变大B．电压表V的示 sketch template

如图所示电源电压为9V且保持不变．�动变阻器的最大阻值为24ΩR0为未知阻值的定值电阻小灯泡标有“6V 3W 字样求1灯泡的 sketch template

第一讲 电路的基本概念和基本定律 sketch template

如图所示电路中的R、L串联电路为荧光灯的电路模型。将此电路接于50Hz的正弦交流电压源上测得端电压为220V电流为04A功率为40W sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 sketch template

如图所示的电路中闭合开关S�动变阻器的�片P�右�动时则 A R1的电功率一定减小B 电路中的总电功率一定增大C 电流表的示数 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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实物电路中S1和S2都闭合后电压表测量的是 A．L1两端的电压B．L2两端的电压C．电源两端的电压D．L1和L2两端的总电压 sketch template

8种开关电源设计，电路图 工作原理，图文结合，通俗易懂知乎 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

如图所示的电路中电源两端的电压保持不变闭合开关SS1当�片P 移至�动变阻器R2的A端时电压表V1的示数为U1电压表V2的示数为 sketch template

如图所示电路中的总电压和灯L的电阻保持不变电阻R2的阻值为10Ω．当闭合开关S1断开开关S2和S3时灯L正常�光电流表示数为I当 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

如图甲所示电路，电源电压恒为6V，�动变阻器R的规格为“25Ω、1A”，电流表量程选择“0∼06A”，电压表量程选择“0∼3V”，小灯泡上标 sketch template

如图所示电源电压U=6V电阻R1=4ΩR2=6Ω．灯泡L标有“6V 3W ．1当只闭合开关S1电流表示数为多�2当开关S1 sketch template

如图所示的电路若闭合开关S则电流表的示数将 电路中的总电阻将．选填“变大 “变小或“不变 ——青夏教育精英家教�—— sketch template

如图所示电路电源电压不变闭合开关调节�动变阻器使灯泡变亮的过程中下列分析正确的是 A．电流表A的示数变小 B．电压表V1的示数变 sketch template

如图所示电源电压为10V保持不变灯L的电阻为20Ω�动变阻器的最大阻值为30Ω求1电流表的最小示数2电路中的电流最小时灯 sketch template

如图所示电源电压恒定为24V灯泡L上标有“12V 96W 的字样灯泡L的电阻值恒定�动变阻器R1的最大阻值为100Ω电压表量程为0 sketch template

如图所示电路中设电源两端电压不变灯L的电阻不随温度变化．闭合开关S在变阻器的�片P移动的过程中电流表A的最小示数为02A电压表V的 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

如图所示的电路中不计温度对灯丝电阻的影响电源电压保持不变当在ab间接“6V 6W 的灯泡L1时闭合开关灯L恰能正常�光断开开关 sketch template

如图所示的电路中电源电压不变闭合开关S当�动变阻器的�片P从A�B�动时下列说法正确的是 A．电压表V1的示数变大B．电压表V2的 sketch template

题目如图所示电路中电源电压保持不变当开关S闭合�动变阻器的�片P�左移动时下列说法正确的是 A电压表V1示数变大B电压表 sketch template

2闭合电路的欧姆定律 sketch template

如图所示用手轻轻�擦空酒杯的边缘酒杯�出悦耳的声音．往酒杯中加水后再次�擦酒杯产生的声音的音调会 A．变低B．时高时低C．升高D sketch template

小强用电压表串联电路中灯泡两端的电压如图甲所示．电压表测的是灯 电压填“L1 或“L2 ．此时电压表示数如图乙所示电压表读数是 V sketch template

在如图所示的电路中电源电压不变．开关S闭合后移动�片P改变�动变阻器接入电路的阻值使电压表的示数从6V变化到2V同时观察到电流表的示 sketch template

如图所示电源电压36V小灯泡L标有“20V 8W 字样若电流表量程为“0 06A 电压表量程为“0 15V 求�小灯泡的电阻是 sketch template

28．在图所示“组成串联电路 的实验中当开关S闭合后灯L1L2均不亮某同学用一根导线去查找电路的故障他将导线先并接在灯L1两端时 sketch template

如图所示电路，电源电压保持不变，闭合开关S，将�动变阻器的�片P�右移动过程中（假设灯丝电阻不变），下列说法正确的是（）A 电流表示数变小 sketch template

如图所示电路中的电源电压不变当�动变阻器的�片P移动时下列说法正确的是AP�a移动�阻阻值变大B将�片P移至a点A1示数为零CP sketch template

如图所示电路中不计温度对灯丝电阻的影响电源电压恒定．当在 Ab 间接入“6V 6W 的灯泡时闭合开关灯L恰能正常�光断开开关在ab sketch template

将额定电压相同的两个灯泡L1L2串联后接入电路中如图所示．接通电路后�现L1要亮一些则下列判断正确的是 A．L1的电阻比L2的小B sketch template

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