高中物理课件第七章高考热点探究 23页

高考热点探究考题展示本课栏目开关考题展示审题答题命题探究B图1Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究6高考热点探究考题展示或CEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究7.510.0高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n图2本课栏目开关考题展示审题答题命题探究黑14.053.04.6高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n(a)(b)(c)图3本课栏目开关考题展示审题答题命题探究高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究1021.54高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n图4本课栏目开关考题展示审题答题命题探究×17.5高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n图5图6本课栏目开关考题展示审题答题命题探究高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n数据点abcdefU/V0.000.501.001.502.002.50I/A0.0000.1220.1560.1850.2160.244本课栏目开关考题展示审题答题命题探究abab高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究图7高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\nU/V1.961.861.801.841.641.56I/A0.050.150.250.350.450.55本课栏目开关考题展示审题答题命题探究0.379（或0.360）高考热点探究考题展示图8Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究图9bc高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究高考热点探究考题展示Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n【审题示例】（2011·安徽·21·Ⅱ）（10分）Ⅱ．（1）某同学实用多用电表粗略测量一定值电阻的阻值，先把选择开关旋到“×1k”挡位，测量时针偏转如图（a）所示。请你简述接下来的测量过程：①；②；③；④测量结束后，将选择开关旋到“OFF”挡.（2）接下来采用“伏安法”较准确地测量该电阻的阻值，所用实验器材如图（b）所示.其中电压表内阻约为5kΩ，电流表内阻约为5Ω.图中部分电路已经连接好，请完成实验电路的连接.（3）图（c）是一个多量程多用电表的简化电路图，测量电流、电压和电阻各有两个量程。当转换开关S旋到位置3时，可用来测量；当S旋到位置时，可用来测量电流，其中S旋到位置时量程较大.①电表指针偏角太大，误差较大，应换小倍率，同时说明Rx在kΩ量级，属于大电阻②应熟练多用电表测电阻的基本步骤③因为Rx阻值在千欧数量级，远大于RA=5Ω，电流表应选用内接法，同时注意连线应规范。④熟悉多用电表的内部结构原理及功能，做出正确的选择本课栏目开关考题展示审题答题命题探究高考热点探究审题答题Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n规范解答·步步得分本课栏目开关考题展示审题答题命题探究高考热点探究审题答题Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n(2分)本课栏目开关考题展示审题答题命题探究高考热点探究审题答题Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n高考热点探究命题研究本课栏目开关考题展示审题答题命题探究Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究高考热点探究命题研究Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.\n本课栏目开关考题展示审题答题命题探究高考热点探究命题研究Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.