如图所示电阻为2r的�属环沿直径装有一根长为l电阻为r的�属杆．�属环的一半处在磁感应强度为b垂直环面的匀强磁场中现让�属环的一半 Sketch Coloring Page

如图所示电阻为2r的�属环沿直径装有一根长为l电阻为r的�属杆．�属环的一半处在磁感应强度为b垂直环面的匀强磁场中现让�属环的一半 Template

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More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #5123

anonymous

anonymous
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sketch #2588 Buble by sketchmaster

sketchmaster
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sketch #5190 That Night by Nînâ Yämâhä

anonymous

anonymous
sketch #5190 That Night by Nînâ Yämâhä

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Laura Agapi Asnicar
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sketch #5153 Random Access Memories by Khin Nyunt

anonymous

anonymous
sketch #5153 Random Access Memories by Khin Nyunt

sketch #5151

anonymous

anonymous
sketch #5151

sketch #2910 Harley Quinn Germaine Hoens

anonymous

anonymous
sketch #2910 Harley Quinn Germaine Hoens

sketch #3264 Lisa by Shaban Khan

anonymous

anonymous
sketch #3264 Lisa by Shaban Khan

sketch #5210 I love you by Saul Mansanares

anonymous

anonymous
sketch #5210 I love you by Saul Mansanares

sketch #1972 Boogaloo @Memphis

anonymous

anonymous
sketch #1972 Boogaloo @Memphis

sketch #1846 zay

anonymous

anonymous
sketch #1846 zay

sketch #5040 Amy Winehouse by Timothy Palfreyman

anonymous

anonymous
sketch #5040 Amy Winehouse by Timothy Palfreyman

sketch #4310 robot

anonymous

anonymous
sketch #4310 robot

sketch #4934 Nami-Ki Roberto Castro Colimil

anonymous

anonymous
sketch #4934 Nami-Ki Roberto Castro Colimil

sketch #5224

anonymous

anonymous
sketch #5224

sketch #2959 manga girl blue hair

anonymous

anonymous
sketch #2959 manga girl blue hair

sketch #2987

anonymous

anonymous
sketch #2987

sketch #819

Laura Agapi Asnicar
sketch #819

sketch #4695

anonymous

anonymous
sketch #4695

sketch #5230

anonymous

anonymous
sketch #5230

sketch #3337 Uryuu Minene by Michael Angcay

anonymous

anonymous
sketch #3337 Uryuu Minene by Michael Angcay

sketch #2852 Teddy Zorka Edding Giustinianovic

Zorka Edding Giustinianovic
sketch #2852 Teddy Zorka Edding Giustinianovic

sketch #2070

anonymous

anonymous
sketch #2070

sketch #2884 Robot Shimun Yeyo Ahmed

anonymous

anonymous
sketch #2884 Robot Shimun Yeyo Ahmed

sketch #4987

anonymous

anonymous
sketch #4987

sketch #1170

anonymous

anonymous
sketch #1170

sketch #1459 khvjkhu

anonymous

anonymous
sketch #1459 khvjkhu

sketch #5051

anonymous

anonymous
sketch #5051

sketch #5276

anonymous

anonymous
sketch #5276

tomski如图所示电阻为2r的�属环沿直径装有一根长为l电阻为r的�属杆．�属环的一半处在磁感应强度为b垂直环面的匀强磁场中现让�属环的一半 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

如图所示是“探究电流通过导体产生热量与导体电阻关系 的实验装置两阻值分别为R和2R的电阻丝浸在相同质量和相同初温的煤油中每一烧瓶里各插一支 sketch template

如图a所示一个电阻值为R匝数为n的圆形�属线圈与阻值为2R的电阻R1连接成闭合回路线圈的半径为r线圈处在垂直于线圈平面的匀强磁场中 sketch template

百度教育 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

中考物理总复习专题强化小专题七电阻的测量含16年中考试题新人教版 Word文档在线阅读与下载免费文档 sketch template

小敏用如图甲所示的电路图研究通过导体的电流与导体电阻的关系电源电压恒为6V改变电阻R的阻值调节�动变阻器�片保持R两端的电压不变记 sketch template

EMC工程师基本技能之一：吸波材料的认知和应用知乎 sketch template

如图所示把总电阻为2R的均匀电阻丝焊接成一半径为a的圆环水平固定在竖直�下的磁感应强度为B的匀强磁场中一长度为2a电阻等于R粗细均匀 sketch template

如图9 12所示把总电阻为2R的均匀电阻丝焊接成一半径为a的圆环水平固定在竖直�下的磁感应强度为B的匀强磁场中一长度为2a电阻等于R 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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

如图所示电路总电压U保持不变�动变阻器总电阻为2R当�动片位于变阻器中点O时四个电流表A1A2A3A4的示数相等都等于I0当 sketch template

如图所示面积为S匝数为N电阻为r的线圈固定在图示位置线圈与阻值为R到的电阻构成闭合电路理想交流电压表并联在电阻R的两端．U形磁铁以 sketch template

如图所示的电路中电源电动势为E内阻与定值电阻的阻值R相同�动变阻器的总电阻为2R．在�动变阻器的�片P从上端a�到下端b的过程中求 sketch template

如图所示是研究电流热效应的部分实验电路甲电阻丝的阻值小于乙电阻丝的阻值．比较通电后两根电阻丝各自两端的电压U甲U乙以及它们在相同时间内 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均匀导线圆环总电阻为2R半径为a垂直磁场固定于磁感应强度为B的匀强磁场中直�属棒以恒定的速度v�右�过圆环与圆环保持良好接触 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

如图所示的电路中各个电阻都是2Ω电流表内阻不计在BC两点间加6V电压时则电流表的示数为 A．1 AB．05 AC．15 AD sketch template

如图所示的电路中电源电压恒为12V电阻R1的阻值为10Ω电阻R2的阻值为30Ω电流表A的量程取0 06A．闭合开关S．1求电阻 sketch template

如图所示把20Ω的电阻R1和30Ω的电阻R2串联起来接在电压为6V的电源上．闭合开关后求1R1和R2的总电阻2电流表的示数 sketch template

如图所示均匀圆环电阻R0=8欧电压恒定为6伏定值电阻R=1欧．导电�臂OA的电阻不计可以在圆环上无�擦地�动．圆环可以产生的最大电功率 sketch template

如图所示电阻R两端的电压U随通过该电阻的电流I的变化曲线如图所示电源电动势为70 VR1＝1000 Ω．现调节可变电阻R2的阻值使 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 06A电压表量程为0 sketch template

如图所示．直径为D的圆环是用粗细均匀的电阻制成的总电阻为R1的2倍图中ABC H为圆环上的等分点．A点固定P为�片能沿圆�动并 sketch template

如右图所示电源电压不变当�动变阻器接入电路部分电阻为R′定值电阻R1两端的电压为U调节P的位置使定值电阻两端的电压变为U/2�动 sketch template

如图所示电阻R和�动变阻器组成并联电路． 1此电路有�生短路的可能吗如果有请你具体指出来．． 2写出一条你所知道的�动变阻器 sketch template

如图所示，电阻为01Ω的导体ab沿光�导线框�右做匀速运动，线框中接有电阻R=04Ω，线框放在磁感强度B=01T的匀强磁场中，磁场方� sketch template

如图所示电阻R=20Ω电动机的绕组电阻＝10Ω．当开关打开时电流表的示数是I电路消耗的电功率为P当开关合上后电动机转动起来若保持 sketch template

如图所示电阻箱的示数是 Ω——青夏教育精英家教�—— sketch template

如图a所示电阻R1的阻值为30欧当只闭合电键S1电流表的指针位置如图b所示电流表换用另一量程后再闭合电键S1S2后电流表 sketch template

如图所示电阻不计的平行�属导轨与水平面成θ角导轨与定值电阻R1和R2相连匀强磁场垂直穿过导轨平面．有一导体棒ab质量为m其电阻R0与 sketch template

如图所示电源电压保持不变电路中的电阻为R电流表的示数为I为使电流表的示数变为3I则下列做法中正确的是 A．串联一个阻值的 sketch template

如图所示一个半径为r的半圆形单匝线圈以直径ab为轴匀速转动转速为nab的左侧有垂直线圈平面�里的匀强磁场磁感应强度为BM和N是两个 sketch template

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