28． 如图所示用电流表电压表测小灯泡的电阻． �图中表c是表． �若将开关闭合两表读数如图所示则此时电流为i＝ A待测电阻为 Ω Sketch Coloring Page

28． 如图所示用电流表电压表测小灯泡的电阻． �图中表c是表． �若将开关闭合两表读数如图所示则此时电流为i＝ A待测电阻为 Ω Template

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More Sketches

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

sketch #4279 Winnie the Pooh by Douglas Dalmora

anonymous

anonymous
sketch #4279 Winnie the Pooh by Douglas Dalmora

sketch #127

Johnny B. Goode
sketch #127

sketch #1452 donara

Donara Smbatyan
sketch #1452 donara

sketch #2691

Gaurav Patel
sketch #2691

sketch #4710

anonymous

anonymous
sketch #4710

sketch #2639 Marilyn by sketchmaster

sketchmaster
sketch #2639 Marilyn by sketchmaster

sketch #4867 Johnny Depp Ronin Ronin

anonymous

anonymous
sketch #4867 Johnny Depp Ronin Ronin

sketch #5285

anonymous

anonymous
sketch #5285

sketch #4904

anonymous

anonymous
sketch #4904

sketch #5002 Jimi Hendrix by Piter Olimpo

anonymous

anonymous
sketch #5002 Jimi Hendrix by Piter Olimpo

sketch #5269

anonymous

anonymous
sketch #5269

sketch #5314

anonymous

anonymous
sketch #5314

sketch #3695

Mahmed Alhaj
sketch #3695

sketch #953

anonymous

anonymous
sketch #953

sketch #2751

Guillaume Ballieu
sketch #2751

sketch #3810

anonymous

anonymous
sketch #3810

sketch #5311

anonymous

anonymous
sketch #5311

sketch #937

anonymous

anonymous
sketch #937

sketch #3765 Happy easter!

anonymous

anonymous
sketch #3765 Happy easter!

sketch #245 Fishy

Lucy Barnard
sketch #245 Fishy

sketch #4522 Adventure Time by KiNg Buamir

anonymous

anonymous
sketch #4522 Adventure Time by KiNg Buamir

sketch #4766 The Little Mermaid by Zizou Aiman

anonymous

anonymous
sketch #4766 The Little Mermaid by Zizou Aiman

sketch #5160 Marilyn Monroe by Muhammet Karadoğan

anonymous

anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan

sketch #3242 Jolteon by Välë Chäpärrö Järämïllö

anonymous

anonymous
sketch #3242 Jolteon by Välë Chäpärrö Järämïllö

sketch #2895 Hulk by Dmitry Cherepanin

anonymous

anonymous
sketch #2895 Hulk by Dmitry Cherepanin

sketch #3032 Batman by Aaron Bahary

anonymous

anonymous
sketch #3032 Batman by Aaron Bahary

sketch #5208 Alf by David Rossien

anonymous

anonymous
sketch #5208 Alf by David Rossien

sketch #3608 Skeleton king by Thania Arruda

anonymous

anonymous
sketch #3608 Skeleton king by Thania Arruda

sketch #3083 Great illustration Ali Hänel

anonymous

anonymous
sketch #3083 Great illustration Ali Hänel

sketch #3892

Rachel Christa Ibarrientos
sketch #3892

tomski28． 如图所示用电流表电压表测小灯泡的电阻． �图中表c是 coloring

28． 如图所示用电流表电压表测小灯泡的电阻． �图中表C是 表． �若将开关闭合两表读数如图所示则此时电流为I＝ A待测电阻为 Ω sketch template

小华同学做“用电流表电压表测电阻实验”，实验器材齐全且完好．�他连接电路并将变阻器的�片放置于一端，闭合电键，观察到电流表电压表示数如图（a sketch template

电表（电压表和电流表）的读数知乎 sketch template

在如图所示的电路中电源电压U=8V且保持不变R1=10ΩR2=40Ω．试问1若开关S1闭合S2断开当�片P�到a端时电流表 sketch template

题目如图所示的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 后在�片P从最左端�中点移动的过程中下列说法正确 sketch template

用电流表和电压表测25V小灯泡额定功率．实验电路如图甲所示．闭合开关调节�动变阻器�片当小灯泡正常�光时电流表示数如图乙所示．1 sketch template

根据“用电压表电流表测电阻 实验完成下列要求 图26 图27 1在图26所示电路中只有一根导线尚未连接请用笔线代替导线补上使 sketch template

如图甲所示用电流表测电路中的电流．1若将线头MN都接到电流表为“06 接线柱上闭合开关此时电流表的示数如图乙所示．则电流表测的是 sketch template

图甲是小灯泡L和定值电阻R的电流与电压的关系，则R的电阻为Ω，现将它们并联后接在电压为2V的电源两端，如图乙，则干路中的电流是A；若将它们串联 sketch template

电流表串联两个灯泡串联接线图电流表 大山谷图库 sketch template

如图所示电源电压保持不变开关S1已闭合若再闭合开关S2则 的示数变大小灯泡L1的亮度填“增强 “减弱或“不变 电流表 sketch template

如图16所示的电路是用电流表电压表测电阻的实验装置示意图 图16 1在右边方框内画出图甲的电路图 2本实验的原理是 3 sketch template

在用电流表和电压表测电源的电动势和内阻实验中某同学利用测出的7组UI值画出U I图象其中正确的是 题目和参考答案——青夏教育精英家教�—— sketch template

题目如图所示电流表量程为0 06A电压表量程为0 15V电阻R0=30Ω电路两端电压恒为U=24V当�动变阻器接入电路的电阻 sketch template

如图所示的实验器材现用电流表电压表分别测出通过灯泡的电流和灯泡两端的电压电路中电流约为05A并用变阻器改变小灯泡的电流要求�片�右 sketch template

如图a所示是某同学用伏安法测电阻的实验电路当�动变阻器的�片�到某一位置时电流表的示数如图b所示其读数为032032A sketch template

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

在“用电流表电压表测电阻 的实验中甲小组同学连接的电路如图14a所示其中有一根导线尚未连接请用笔画线代替导线补上补上后要求闭合 sketch template

如图所示有两节干电池两个小灯泡L1L2电键和电流表电压表要求把小灯泡串联在电源上并用电压表测量L1两端电压用电流表测量电路的总 sketch template

如图1所示电路为“用电流表电压表测电阻 的实验电路请填写空格处的内容．�实验目的伏安法测电阻要求多次测量多次测量求电阻的平均值．� sketch template

如图所示，小卉同学在做“用电流表、电压表测电阻”实验时，她选用两节新干电池做电源，待测电阻阻值大约为10Ω．（1）请你用笔画线代替导线，将图 sketch template

如图所示是用电压表和电流表测小灯泡电阻的实物图．1要求�动变阻器的�片P�右移时电流表示数变大请在图中将�动变阻器正确接入电路2 sketch template

小芳和小明在研究并联电路的电流规律时他们设计的电路如图甲所示1请箭头在甲图中标出电流在A支路电流方�2若要使电流表测L1中的电流 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

电路图识图基础知识常用仪表识图及接线九仪歌电气仪表表abc图解 CSDN博客 sketch template

题目某同学利用如图所示的电路测量小灯泡的电阻小灯泡标有“2．5 V 的字样他记录的实验数据如下表所示其中有一次记录的电流表示数是错误 sketch template

如图所示的电路是用电流表电压表测电阻的实验装置示意图 1在右边方框内画出图甲的电路图 2本实验的原理是 3实验中电压表和 sketch template

用伏安法测电阻可以采用电流表内接法或电流表外接法下列说法正确的是 ． A．待测电阻阻值小时用外接法 B．待测电阻阻值小时用内接法 C．用外接 sketch template

题目在“用电流表和电压表测量小灯泡的电阻 的实验中电路如图甲所示． 1闭合开关�现小灯泡不�光电流表和电压表的指针有偏转但不 sketch template

测小灯泡的电阻1如图1中所示是用电压表和电流表测小灯泡电阻的实验电路图闭合开关S时变阻器�片P应放在变阻器的 端．2当电压表示数 sketch template

如图所示是用电流表和电压表测电阻的电路图闭合开关后�现电压表示数为3 V而电流表示数为零则可能出现的故障是 A．�动变阻器断路 sketch template

用如图所示的电路可以测出一个未知电阻的阻值其中RX为待测电阻R为电阻箱S为单刀双掷开关R0为定值电阻．某同学用该电阻进行实验主要实验 sketch template

如图所示的电路中电源内阻不能忽略电流表和电压表均为理想电表下列说法中正确的是 A．若R1短路电流表示数变小电压表示数变大B．若R2 sketch template

题目如图所示的电路中电源两端电压为9V并保持不变定值电阻R1的阻值为100Ω�动变阻器R2的最大阻值为50Ω．当开关S闭合�动 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

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