11．如图所示甲图中变阻器的�片从一端�到另一端的过程中两电表的读数随电流表读数的变化情况如乙图中的acbc两直线所示．不考� Sketch Coloring Page

11．如图所示甲图中变阻器的�片从一端�到另一端的过程中两电表的读数随电流表读数的变化情况如乙图中的acbc两直线所示．不考� Template

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tomski11．如图所示甲图中变阻器的�片从一端�到另一端的过程中两电表的读数随电流表读数的变化情况如乙图中的acbc两直线所示．不考� coloring

11．如图所示甲图中变阻器的�片从一端�到另一端的过程中两电表的读数随电流表读数的变化情况如乙图中的ACBC两直线所示．不考� sketch template

11．如图所示甲图中变阻器的�片从一端�到另一端的过程中两电表的读数随电流表读数的变化情况如乙图中的ACBC两直线所示．不考� 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

“探究电流与电阻关系”的实验实物图如图甲所示，定值电阻的阻值分别为5Ω、10Ω、15Ω、20Ω。（1）连接电路时�现，电路中有一根导线连接错误 sketch template

如图1所示的电路电源电压保持不变．闭合开关S调节�动变阻器两电压表的示数随电路中电流变化的图线如图2所示．根据图线的信息可知是电压表 sketch template

小红用如图甲所示的实验电路“探究电流与电阻的关系”，实验中所用定值电阻的阻值分别为各一个。（1）电路图中�动变阻器的作用是和控制定值电阻两端 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

如图甲所示电路中R1是�动变阻器R2是定值电阻电源两端电压保持不变．当�动变阻器�片P从最右端�到最左端电压表示数随电流变化的图象如图 sketch template

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R1R2产生的热量之比为 A sketch template

题目如图甲所示的电路电源电压保持不变R0为定值电阻．当�动变阻器的�片移动时�动变阻器的电功率P1随其接入电路的阻值R1的变化图象如 sketch template

如图甲所示为分压器电路图已知电源电动势为E内阻不计变阻器总电阻为R0=50Ω闭合开关S后负载电阻RL两端电压U随变阻器a端至�动触头 sketch template

如图甲所示的电路中电源电压恒定不变R2=30Ω通过R1的电流随它两端电压变化关系如图乙所示则下列计算正确的是A．R1的阻值大小是 sketch template

如图甲所示电路电源电压保持不变．闭合开关S当�动变阻器的�片P从a端�到b端的过程中两个电阻的U I关系图象如图乙所示．则下列判断正确的 sketch template

如图甲所示电路电源电压保持不变．闭合开关S调节�动变阻器阻值从最大变化到最小R1 和R2中的某个电阻其“I U 关系图线如图乙所示．求 sketch template

32．图20甲所示的电路中R1为�动变阻器ROR2 均为定值电阻电源两端电压保持不变改变�动变阻器R1的�片位置两电压表的示数随 sketch template

在如图甲所示的电路中R1为�动变阻器R0R2均为定值电阻电源两端电压保持不变．当开关S闭合后�片在�动变阻器R1的两端之间�动的过程 sketch template

如图甲所示电源电压恒定R0为定值电阻．将�动变阻器的�片从a端�到b端的过程中电压表示数U与电流表示数I间的关系图象如图乙所示．求1 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

如图甲所示�动变阻器的�片从a端�到b端的过程中电流表和电压表示数变化的规律如 刷刷题APP sketch template

题目如图甲所示的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 sketch template

如图甲所示的电路中电源电压不变R1为定值电阻闭合开关S将�动变阻器R2的�片P从a�b移动的过程中电压表和电流表的示数变化情况如图乙 sketch template

题目如图甲所示电阻R＝10Ω闭合开关�动变阻器的�片从a端移动到b端的过程中电流表示数变化范围为06A 01A在图甲电路的 sketch template

如图甲所示R1为�动变阻器R0R2为定值电阻电源电压U保持不变．建立直角坐标系横轴表示电流纵轴表示电压．改变�动变阻器�片P的位置 sketch template

如图甲所示的电路中电源电压不变R0为定值电阻�动变阻器R消耗的电功率随电流变化的关系如图乙所示．图乙中的a′b′两点分别与�片P在图甲 sketch template

如图甲所示的电路中电源电压恒定R1为定值电阻．闭合开关将�动变阻器的�片P从a端�至b端电压表示数U随�动变阻器接入电路的阻值R2变化 sketch template

如图甲所示电路中电源电压保持不变初始时�动变阻器的�片P在最右端但由于�动变阻器某处�生断路合上开关后�片P�左�过一段距离后电流表才 sketch template

47．一个允许通过电流为2 A的电源和一个�动变阻器接成如图甲所示的电路变阻器最大阻值为R0 = 22Ω电源路端电压U随外电阻R变化的 sketch template

如图甲所示的电路中�动变阻器的�片P从a端移到b端定值电阻R1两端的电压随�动变阻器R2阻值变化的图象如图乙所示下列说法中正确的是 sketch template

如图所示甲电路当�动变阻器的�片从一端�到另一端的过程中两电压表的读数随电流表读数的变化情况如图乙中的ACBC两直线表示．求 sketch template

题目如图甲所示电路中R为定值电阻R1为�动变阻器图乙是该�动变阻器�片从一端移至另一端过程中变阻器的电功率与其电阻的关系图像下列 sketch template

在如图甲所示的电路中电源电压保持不变R1为定值电阻R2为�动变阻器．闭合开关S调节�动变阻器将�片P从最左端�到最右端两电压表的示 sketch template

题目如图所示的电路中电源电压保持不变定值电阻R的阻值为闭合开关S当�动变阻器接入电路中的阻值为10Ω时电压表的示数为断开开关S sketch template

题目2016·贺州卷如图甲所示的�动变阻器是贺州市初中物理实验操作考查中要用到的仪器之一小露将一个标有“20Ω 1A 字样的�动 sketch template

如图甲所示电路，电源电压恒为6V，�动变阻器R的规格为“25Ω、1A”，电流表量程选择“0∼06A”，电压表量程选择“0∼3V”，小灯泡上标 sketch template

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