如图所示当�动变阻器r2的�片�到a端时开关s闭合这时电流表示数为075a标有“6v3w 的小灯泡正常�光开关s断开变阻器划片 Sketch Coloring Page

如图所示当�动变阻器r2的�片�到a端时开关s闭合这时电流表示数为075a标有“6v3w 的小灯泡正常�光开关s断开变阻器划片 Template

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sketch #4649

anonymous

anonymous
sketch #4649

sketch #1669

anonymous

anonymous
sketch #1669

sketch #3620 Dude by Arasheel Eomseii

anonymous

anonymous
sketch #3620 Dude by Arasheel Eomseii

sketch #3268 Werewolf by Mert Arda Yiğit

anonymous

anonymous
sketch #3268 Werewolf by Mert Arda Yiğit

sketch #1451 mi6softlab vibra

anonymous

anonymous
sketch #1451 mi6softlab vibra

sketch #1082 Seher 6 years

anonymous

anonymous
sketch #1082 Seher 6 years

sketch #2899 Snoopy by Rhemzkian Esturco

anonymous

anonymous
sketch #2899 Snoopy by Rhemzkian Esturco

sketch #3815

Emin AltınKöprü
sketch #3815

sketch #3539 Octo by Aristo A. Kadir

anonymous

anonymous
sketch #3539 Octo by Aristo A. Kadir

sketch #3059

anonymous

anonymous
sketch #3059

sketch #137

Chris Shrimp Lonsdale
sketch #137

sketch #5047 Pikachu and Raichu by Saiful Farizam

anonymous

anonymous
sketch #5047 Pikachu and Raichu by Saiful Farizam

sketch #4885

anonymous

anonymous
sketch #4885

sketch #3626 Skream by Wellen Lima

anonymous

anonymous
sketch #3626 Skream by Wellen Lima

sketch #125

Chris Shrimp Lonsdale
sketch #125

sketch #819

Laura Agapi Asnicar
sketch #819

sketch #5070 The Rolling Stones by Roby Krdoso

anonymous

anonymous
sketch #5070 The Rolling Stones by Roby Krdoso

sketch #5121

anonymous

anonymous
sketch #5121

sketch #4478

Hank Henry Armstrong
sketch #4478

sketch #3999 Deadmau by Speeð Üp Säm

anonymous

anonymous
sketch #3999 Deadmau by Speeð Üp Säm

sketch #3273

anonymous

anonymous
sketch #3273

sketch #3390 Beautiful drawing by Jessie Lightwood

anonymous

anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #1257

anonymous

anonymous
sketch #1257

sketch #1454 donara

Donara Smbatyan
sketch #1454 donara

sketch #5176

anonymous

anonymous
sketch #5176

sketch #1668 SUNSET

anonymous

anonymous
sketch #1668 SUNSET

sketch #787

Laura Agapi Asnicar
sketch #787

sketch #4298

anonymous

anonymous
sketch #4298

sketch #1328

anonymous

anonymous
sketch #1328

sketch #2784

John Davis
sketch #2784

tomski如图所示当�动变阻器r2的�片�到a端时开关s闭合这时电流表示数为075a标有“6v3w 的小灯泡正常�光开关s断开变阻器划片 coloring

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2所示电路图中定值电阻和�动变阻器R串联两端的电压分别为当�动变阻器的�片P�右�动过程中 A 变小也变小 B 变小不变 sketch template

如图a所示电路电源电压保持不变�动变阻器R2上标有“50W 2A 字样闭合电键后当�片位于中点位置时电流表A1和A2的示数均如图 sketch template

如图所示电路电源电压不变．当�动变阻器R2的�片P�右移动时电路的总电阻将变大变大电流表A的示数将变小变小电压表V1的示数将变小变小 sketch template

如图所示电路电源电压为6V电阻R2为10Ω�动变阻器R1的最大阻值是20Ω当�片P移到a端时电压表读数是6V当�片P移到b端时 sketch template

4．在如图a所示的电路中R1为定值电阻 R2为�动变阻器闭合电键S将�动 变阻器的�动触头P从最右端�到最左 端两个电压表的示数 sketch template

如图所示R1为定值电阻R2为�动变阻器当�动变阻器的�片P从最左端�右�动时下列说法中可能正确的是 AR1消耗的电功率不变 sketch template

如图所示当�动变阻器R2的�片�到a端时开关S闭合这时电流表示数为075A标有“6V3W 的小灯泡正常�光开关S断开变阻器划片 sketch template

如图a所示电路电源电压保持不变�动变阻器R2上标有“50W 2A 字样闭合电键后当�片位于中点位置时电流表A1和A2的示数均如图 sketch template

如图所示电源电压保持恒定电阻R的阻值与�动变阻器最大阻值之比为23当S1闭合S2断开�动变阻器的�片P在AB的中点时小灯泡所消耗 sketch template

如图所示电源电压保持不变当闭合开关S�动变阻器的�片P�右移动的过程中下列说法中正确的是 A电压表V1的示数增大电压表V2的示数 sketch template

9．如图3 3 15所示R1=3ΩR2=2ΩR=5Ω电源电动势=63V内阻r=05Ω．当�动变阻器活动触点在ab之间活动时 sketch template

如图所示AB间的弹簧中间有可收缩的导线将�动变阻器接入电路R1为定值电阻当闭合开关SA板上受到的压力F增大时 1电流表示数将 sketch template

在如图所示电路中电源电压不变．�动变阻器R2上标有“50欧 3安字样当S闭合S1断开�动变阻器的�片P在最右端位置时电流表A的示数 sketch template

如图所示的电路中总电压U保持不变�动变阻器总电阻为2R．当�片位于变阻器的中点O时四个电流表的示数都等于I0当�片�处移动到O′点时 sketch template

如图所示的电路中U=120V�动变阻器R2的最大值为200ΩR1=100Ω．当�片P�至R2的中点时ab两端的电压为 A．40 sketch template

题目如图所示电源电压保持不变闭合开关后当�动变阻器的�片由左�右移动时下列判断正确的是A 电压表示数变大B 电流表示数变大C sketch template

如图所示电路中电源电压不变R1 为定值电阻R2 为�动变阻器．闭合开关 S当�片 P 在某一端点时电压表示数为 10VR2 消耗 sketch template

如图所示当变阻器的�片P置于某一位置时R1R2两端的电压分别为U1U2当�片P置于另一位置时R1R2两端的电压分别为U1′和U2 sketch template

如图所示的电路中当�动变阻器R2的�片�下�动时 A．R1上消耗的功率将增大B．伏特表V的示数将变小C．电源的功率将增大D．电容器C的两 sketch template

如图所示电源电压为6VR1=12ΩR2为0﹣20Ω的�动变阻器A的量程为3A合上S．求 �A最小示数�为保证A的安全变阻器接入 sketch template

如图所示R2是0 50的�动变阻器闭合开关后电压表示数为6V电流表A1的示数为05A电流表A2的示数是20A求——青夏教育 sketch template

在如图所示的电路中�动变阻器R1的电阻为200欧R2的电阻为50欧当�动变阻器�片P从a�到b时电压表的读数变化范围是 A sketch template

如图所示电源电压恒定�动变阻器的规格为“30Ω 1A 在AB间接入规格为“12V 12W 的灯泡闭合开关当变阻器的五分之一阻值连入 sketch template

如图所示电源电压U保持不变R1=20Ω．当�动变阻器R2的�片P在最左端时电流表示数为05A若将�片P�至变阻器中点时电流表示数为 sketch template

如图所示变阻器R为“40Ω 3A R1=20Ω当S断开�片P在中点时此时�动变阻器连人电路中的电阻为该�动变阻器最大阻值的1/2 sketch template

如图所示当开关S断开�动变阻器的�片P置于a端时电流表的示数为03A当开关S闭合�片P置于b端时电流表的示数为05A．已知R1 sketch template

如图所示当开关S闭合后�动变阻器�片P在B端时电压表示数为9V电流表示数为01A�片P在中点C时电压表的示数为6V．求1�动 sketch template

如图所示的电路中R0为定值电阻R为�动变阻器．当�动变阻器两端电压为4V时通过的电流为02A此时�动变阻器接入电路的阻值是多大改变 sketch template

在图甲所示的电路中当开关S从2转到1时根据电流表和电压表对应的示数在U I坐标中描绘了相对应的坐标点如图乙所示电源电压是电阻R1 sketch template

如图所示的电路中R0为�动变阻器R1R2为定值电阻且R1＜R2E为电压恒定的电源．当开关S闭合后�动变阻器的�片P�右�动时流过 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

在如图所示的电路中R1=10 ΩR2=20 Ω�动变阻器R的阻值为050 Ω当�动触头P由a�b�动的过程中灯泡L的亮度变化情况是 sketch template

如图所示电路中�动变阻器R2规格为“20Ω 05A 电流表量程为0 06A．闭合开关�动变阻器�片位于中点时电路总功率为18W sketch template

如图所示电路中电源电压一定．闭合开关当�动变阻器的�片P在中点C时电压表V1的示数为9V电压表V2的示数为U2变阻器消耗的功率为9W sketch template

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