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075a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075a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 #4895 Cat by Gaurav Patel

anonymous

anonymous
sketch #4895 Cat by Gaurav Patel

sketch #4695

anonymous

anonymous
sketch #4695

sketch #1185

anonymous

anonymous
sketch #1185

sketch #4829

anonymous

anonymous
sketch #4829

sketch #1133 vinks

anonymous

anonymous
sketch #1133 vinks

sketch #1079

anonymous

anonymous
sketch #1079

sketch #5270 Fresh prince by Fatér Szilvia

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anonymous
sketch #5270 Fresh prince by Fatér Szilvia

sketch #5161

anonymous

anonymous
sketch #5161

sketch #5018 Owl by Komlós László

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anonymous
sketch #5018 Owl by Komlós László

sketch #3974 Bird Skerch w/ vibration

anonymous

anonymous
sketch #3974 Bird Skerch w/ vibration

sketch #1444

Donara Smbatyan
sketch #1444

sketch #937

anonymous

anonymous
sketch #937

sketch #5315

anonymous

anonymous
sketch #5315

sketch #3742 Homer by Koes Maung

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anonymous
sketch #3742 Homer by Koes Maung

sketch #1551 donara

Donara Smbatyan
sketch #1551 donara

sketch #5216 D by Gabriela Segura

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anonymous
sketch #5216 D by Gabriela Segura

sketch #2055 Flower

Raisa Mahmud
sketch #2055 Flower

sketch #1122 norooz

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anonymous
sketch #1122 norooz

sketch #5323 Cem Adrian by Glynis June Williams

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anonymous
sketch #5323 Cem Adrian by Glynis June Williams

sketch #308

Helyryn
sketch #308

sketch #4921

anonymous

anonymous
sketch #4921

sketch #4511 Yao Ming by Betty Marie Melzer

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anonymous
sketch #4511 Yao Ming by Betty Marie Melzer

sketch #1153 sahib

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anonymous
sketch #1153 sahib

sketch #5260

anonymous

anonymous
sketch #5260

sketch #2178

anonymous

anonymous
sketch #2178

sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia

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anonymous
sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia

sketch #2453 Koi Fish

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anonymous
sketch #2453 Koi Fish

sketch #5187

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anonymous
sketch #5187

sketch #1536 Dark Night

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sketch #1536 Dark Night

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

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anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

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075a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 05A”，电流表A的量程为006A，电压表量程为0 sketch template

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

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

题目如图所示R1为定值电阻R2为�动变阻器当变阻器的�片P�右移动时图中电压表和电流表的示数变化情况及它们示数的比值U/I变化情况 sketch template

如图1所示的电路中R1为定值电阻R2为�动变阻器电源电压不变．闭合开关S后�片P从a端移动到b端电流表示数I与电压表示数U的变化关系 sketch template

题目图1所示的电路中R1为定值电阻R2为�动变阻器电源电压为3V且保持不变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 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15所示的电路�动变阻器的�片P固定在它的中点时连入电路的电阻值为R当只闭合K1时R与R1上的电压之比是12当只闭合K2时R 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075A标有“6V3W 的小灯泡正常�光开关S断开变阻器划片 sketch template

题目如图甲所示R1为定值电阻�动变阻器R2的�片从b端�到a端的过程中R2消耗的电功率P与通过的电流I的关系如图乙下列说法正确的是 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

题目如图所示的电路中电源电压为 6V且保持不变�动变阻器 R 的规格为“40Ω 1A 定值电阻 R1的规格为“10Ω 05A 只 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当开关S断开�动变阻器的�片P置于a端时电流表的示数为03A当开关S闭合�片P置于b端时电流表的示数为05A．已知R1 sketch template

百度教育 sketch template

如图甲所示R1为�动变阻器R0R2为定值电阻电源电压U保持不变．建立直角坐标系横轴表示电流纵轴表示电压．改变�动变阻器�片P的位置 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05A若将�片P�至变阻器中点时电流表示数为 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

如图所示电路电源两端电压一定．当开关S断开�动变阻器接入电路的电阻为Ra时通过电阻Ra的电流为I1电阻R1和电阻R2消耗的功率之和P1 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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

如图所示电路中电源电压U=45V且保持不变定值电阻R1=5Ω变阻器R2最大电阻为20Ω电流表量程为0 06A电压表量程为0 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电路中定值电阻R1=10ΩR2为�动变阻器电源电压保持不变．当�片在a端时电流表示数为05A�片在b端时电压表示数为2V．求 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两个电压表V1V2分别接入电路不同位置．闭合开关S�右移动�片P�现电压 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050 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电源电压6 V保持不变�动变阻器的最大阻值为20 ΩR2的阻值是30 Ω．当开关S断开�片P在a端时电流表的示数为02 A sketch template

在如图所示的电路中R2为固定电阻R1为�动变阻器．在变阻器的�片�右移动的过程中图中的电压表电流表示数及它们示数的比值的变化情况是A 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05A电流表A2的示数是20A求——青夏教育 sketch template

如图所示电路R1=10Ω当变阻器的�片P从a移至b端时R1两端电压从5V变到2V求R2的最大阻值．——青夏教育精英家教�—— 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

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