如图6所示电路r1与r2并联已知电阻r1＝10通过r1的电流i1＝3a请你再补充一个条件求出电阻r2的大小要求条件不能重复 Sketch Coloring Page

如图6所示电路r1与r2并联已知电阻r1＝10通过r1的电流i1＝3a请你再补充一个条件求出电阻r2的大小要求条件不能重复 Template

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tomski如图6所示电路r1与r2并联已知电阻r1＝10通过r1的电流i1＝3a请你再补充一个条件求出电阻r2的大小要求条件不能重复 coloring

两个定值电阻R1、R2并联在电路中如图甲所示它们的电流与其两端的电压关系如图乙所示闭合开关S则R1R2产生的热量之比为 A sketch template

如图6所示电路R1与R2并联已知电阻R1＝10通过R1的电流I1＝3A请你再补充一个条件求出电阻R2的大小 要求条件不能重复 sketch template

【元器件学习笔记—电阻�（7）——电阻串并联电路 3个并联7个串联电路图解 CSDN博客 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

百度教育 sketch template

如图所示R1和R2两个电阻并联在6V的电源两端若R1的阻值为15 Ω电流表的示数为09A时1通过电阻R1两端的电流为 A．0 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，电阻R1＝1Ω，R2＝2ΩR3＝3Ω在A、B间接电源S1、S2都打开，此时电阻R1、R2、R3消耗的功率之比P1∶P2 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，已知E1=18V，E2=9V，R1=R2=1Ω，R3=4Ω，求通过R1和R2的电流。上学吧找答案 sketch template

在如图所示的电路中为使电阻R1与R2并联应闭合开关而断开其余的开关要使电阻R1与R2串联应闭合开关而断开其余的开关．——青夏教育 sketch template

如图所示R1与R2串联在电路中已知R1两端电压为15VR2两端电压为45VR1 R2=600其中R2为�动变阻器触头部在最左端 sketch template

利用电源的等效变换，求图所示电路中电压比。已知R1=R2=2Ω，R3=R4=1Ω。上学吧找答案 sketch template

如图所示，由555构成的电路，若R1=R2≠0，其VO的波形是简答题试题答案 sketch template

如图所示电路R1与R2并联已知电阻R1=10Ω通过R1的电流I1=3A请你再补充一个条件求出电阻R2的大小．要求条件不能重复 sketch template

【经验�解析复杂电路分析方法 sketch template

如图所示电路已知R1=2欧姆R2=4欧姆U1=2伏特求1通过R1的电流强度I12R2两端的电压U2．题目和参考答案——青 sketch template

如图所示的电路中若同时闭合开关S1和S3、断开S2电阻R1与R2是 的若只闭合开关S2电阻R1和R2是 的均选填 sketch template

题目如图所示电路电源电压为6 V当S断开时电流表的示数为1 AS闭合时电流表的读数为15安求1电阻R1的阻值2 sketch template

人教版物理九年级上第十七章第二节细化知识点同步练习——欧姆定律的图像问题（1）在线组卷 sketch template

交错Buck并联均流技术的研究知乎 sketch template

如图所示的电路中电源电动势E=6V内阻r=1Ω电阻R1=6ΩR2=5ΩR3=3Ω电容器的电容C=2×10 5F若将开关S闭合 sketch template

如图所示的电路中R1=6欧R2=12欧电源电压为12伏．1当K2断开K1K3闭合时通过R1R2的电流各为多大2当K2 sketch template

如图6所示电路中已知R1=R3＜R2=R4比较它们的电功率则 R3 R4 ——青夏教育精英家教�—— sketch template

题图2－21所示电路中，已知E1=10V，E2=7V，E3=4V，R1=5Ω，R2=7Ω，R3=20Ω，R4=42Ω，R5=2Ω，试求它的戴维 sketch template

如图甲所示是小明“探究电流与电压、电阻的关系”的实验电路图。选用的实验器材是：电源3V、电流表（00 6A）、 出卷� sketch template

如图所示的电路中电源两端电压为6V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�动变阻器的�片 sketch template

如图所示是某电器内部的电路结构图R1R2为阻值相同的电热丝不同的连接方式其�热功率不同下列说法正确的是 A．甲的�热功率与丙的 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1R1和R2的总电阻2电流表的示数 sketch template

如图所示的电路中电源电压保持不变R1=30ΩR2=20Ω电流表的示数为02A则R1R2串联后的总电阻为5050Ω电源电压为 sketch template

如图所示的电路中R1=3ΩR2=6ΩR3=15ΩC=20μF当开关S断开时电源所提供的总功率为2W当开关S闭合时电源所提供的 sketch template

如图所示电路中U＝10 VR1＝4 ΩR2＝6 ΩC＝30μF电池的内阻可忽略．求 1闭合开关S求稳定后通过R1的电流 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

在如图所示的电路中电源电压保持不变电阻R1 的阻值为20Ω闭合开关S电流表A1的示数为03A电流表A 的示数为05A．求1 sketch template

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