文档介绍：该【初中物理总复习电路电流电压电阻 (4) 】是由【莫比乌斯】上传分享，文档一共【14】页，该文档可以免费在线阅读，需要了解更多关于【初中物理总复习电路电流电压电阻 (4) 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,sothatworkersformabuilding初中物理总复****电路、电流、电压、电阻【思考训练】,我们就说物体带了电。自然界中电荷有种。人们规定;用绸子摩擦过的玻璃棒所带的电荷叫做;用毛皮摩擦过的橡胶棒所带的电荷叫做。电荷间的相互作用的规律是:同种电荷,异种电荷。,核的周围是。在通常情况下,原子核带的跟核外电子总共带的数量相等,整个原子是。,它是根据道理来工作的。,是形成电流的原因。在金属导体中导电的是,它定向移动的方向与电流方向。。导体电阻的大小决定于导体的、和,还与有关,而与导体两端的和导体中的无关。,要使灯泡L1、L2串联在电路中,只能闭合开关;若要使L1、L2并联在电路中,只能闭合开关。,是提供电压的装置。,两只小灯泡L1和L2均正常发光,则下面几种说法中正确的是:(),乙是电压表;,乙是电流表;、乙都是电流表;、乙都是电压表。,当S1闭合时,为使电流表、电压表示数均减小,下列操作可行的是:(),滑片P向左移动;,滑片P向右移动;,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,使S2由闭合到断开;,使S2由断开到闭合。,电源电压不变,开关S闭合,灯L1和L2都正常发光,一段时间后,突然其中一盏灯熄灭,而电流表和电压表的示数都不变,出现这一现象的原因可能是:();;;。,电源电压为6V,,则();;、;,A、B间为一串联电路的一部分,R2=R4,V1、V2示数分别为90V、50V,则AB间电压为:();;;。、乙两图的圆圈内,填上电压表或电流表的符号使之成为两个不同的电路(要求两用电器都工作),如果把a、b两条导线连入电路后,要使这两只变阻器的总电阻最大,滑片P1和P2所处的位置是(),P2在最左端;,P2在最右端;,P2在最左端;,,按电路图甲连接乙中的元件。,画出相应的电路图。,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,,suchasthefirstcivilizationconstructionandenvironmentalmanagementobjectivesandcivilizedconstructionobjectivesofcivilstrivetoobtain"safeandcivilizedmodelsiteofZhuhaicity",noise,dust,wastewaterdischargestandards;reducingandcontrollingthegenerationofsolidwaste;2,reducetheimpactofnoiseonthesurroundingenvironment,plaintsdecreasedby20%;3,reducetheconsumptionofrawmaterialsandenergy,constructionrawmaterialusagebelowthestandardssetbytheState,averagesavingsrateof1%,atalllevelsandalldepartmentseffectiveimplementationofresponsibilitysystemforcivilconstruction,,improvetheoverallconstructioninitiative,ideology,,要求:L1和L2串联:电压表测灯泡L2两端的电压;电流表测电路中的电流,请在图中用笔画线代表导线将它们正确地连接起来(要求连线不能交叉,电压、电流表正负接线柱连接正确)。,两节电池串联,两灯并联,S1控制两灯,S2控制L2,电流表测干路电流,电压表测L2两端的电压,用滑动变阻器控制L1的亮度,且滑片向右滑动时,灯变亮。(1)画出电路图。(2)将图15中的实物图按电路图连接起来。【中考链接】,A带正电,B不带电,同一根带绝缘柄的铜棒把两个验电器的金属连接起来的瞬间()(),,pleteintime,,projectsafetyproductionmanagementinformationsystemoftheMinistryofhealthplanning,implementation,cdimprovedcheckingandcorrection,atotalof