物理作为一门理科科目，一直都是学生们学习的难点。今天给大家分享一些关于高中物理实验的动图，希望有助于大家的理解。

直线运动

打点计时器测速度

用DIS测定瞬时速度

自由落体

追及问题—匀加速追匀速

追及问题—匀减速追匀速

真空玻璃管物体的运动

力和力的平衡

不规则物体的重心

演示玻璃瓶的微小形变

演示桌面的微小形变

探究胡克定律

探究力的平行四边形法则

用DIS研究力的分解

牛顿运动定律

力的作用是相互的

用DIS研究牛顿第三定律

验证牛顿第二定律

弹簧测力计演示超重与失重

传送带模型相对位移

动能定理

探究功与速度的关系

动量问题

人船模型

探究碰撞中的不变量

恒定电流

研究路端电压

探究欧姆定律

探究电阻的伏安特性曲线

探究小灯泡伏安特性曲线

用DIS研究小灯泡U-I图像

用DIS测电源电动势和内阻

多用电表测电池内阻

伏安法测电阻分压接法

灵敏电流计改装成电流表

灵敏电流计改装成电压表

半偏法测量电流表内阻

半偏法测量电压表内阻

静电场

感应起电的本质

验证库仑定律

静电屏蔽

等量同种点电荷的电场线

等量异种点电荷的电场线

测量等势线

探究电容大小的影响因素

磁场

分子电流假说

回旋加速器的原理

地磁场

条形磁体的磁场

蹄形磁体的磁场

带电粒子在磁场中的运动

带电粒子在电磁场中的运动

机械波

波发生明显衍射的条件

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弓郝裕1792多用电表为什么严禁在有电流流过的电阻上测阻值? -
宁翟显18399504740 ______ 有电源流过的电阻在测时,电源上的电流会影响多用电表内部电流,即会测出不准确的电阻.而且如果电阻上的电流方向与电表内部电流方向相反,就会烧坏电表

弓郝裕1792多用电表欧姆挡中有内接电源,为什么红表笔接电源负极,不是说电流从红表笔流进,与上句话相矛盾?内部电源指的是什么? -
宁翟显18399504740 ______[答案] 是这样的,欧姆表是测电阻的,内接电源意思是欧姆表内部有一个电源.红表笔接的是内部电源的负极,指测电阻时表里面的内部电源起作用,跟外部电阻构成一个回路.电流红表笔进黑表笔出指的是测电阻时红黑表笔所接的外部电流的方向.你画一个...

弓郝裕1792高二物理,多用电表不是红进黑出吗?测电阻时为什么不一样?电阻不能带电测量又是什么话?一直不懂!...
宁翟显18399504740 ______ 让哥哥这个工程师来解释 1 多用表其实就是一个电流表 串联电阻时也能当电压表使用 先让你知道多用表的原理先 2当你测量电流 电压时 这时是外部提供的电流(内部的电源在电流 电压档是断开的) 这时让指针向右偏 这时接外部正极的笔我们...

弓郝裕1792多用电表用欧姆挡测定值电阻时有电流通过吗 不是要断开电源才能测电阻吗 -
宁翟显18399504740 ______ 1. 多用表欧姆档测量电阻时有电流通过.这个电流是表内电源提供的,“断开电源才能测电阻”是指断开线路上的电流,两者不是同一个概念. 2. 图示为多用表电阻测试原理图.图中可以看到有一块“表内电池”,这就是测量电阻时必须的电源,由它提供测电阻是的电流,所以电阻测量时是有电流通过的. 3. 测试定值电阻时必须把外电路的电源断开,当然这是指被测电阻还接在电路板上.万用表测电阻原理的依据是欧姆定律,即R=U/I;实质上,多用表是通过测试通过电阻的电流值来计算被测电阻值,I的变化将会直接影响R值的精确度,所以要把外电路的电源断开,由多用表自带的电池供电,得到相对稳定的电流值.

弓郝裕1792关于多用电表中的欧姆表,下列说法正确的是( ) -
宁翟显18399504740 ______[选项] A. 欧姆表的内部不需要电源 B. 欧姆表的刻度线是均匀的 C. 欧姆表的零刻度与电流表的零刻度重合 D. 测量电阻前应先调节欧姆调零旋钮.使指针指向欧姆表零刻度

弓郝裕1792为什么多用电表测电阻时 电流红进黑出 -
宁翟显18399504740 ______ 当多用电表作使用时,需使电流红进黑出. 当多用电表作为欧姆表使用时,电流黑进红出,因为此时电表相当于自带电源的电流表,红端与电池正极相连. 电源正极在电表内部是和红色接线柱相连的,所以测电阻时,电流一定是从红出,从黑...

弓郝裕1792多用电表内部有个电源 外部还要在接一个电源 红黑表笔分别接内部电源的正极还是负极 接外部电源的正极还是负极 -
宁翟显18399504740 ______ 红表笔接表内部的负极,黑表笔接表内部的正极.在外部红表笔接正极,黑表笔接负极

弓郝裕1792多用电表上的表笔插头的正负代表什么就是表商标的那两个加减号是电源的正负极,还是正代表电流进,负代表出 -
宁翟显18399504740 ______[答案] 其一,多用电表内部有电源,标上正负防止接错损坏内电路. 其二,指针偏转方向与电流流入方向有关,接错正负,指针可能无法读数. 正代表电流进,负代表出

弓郝裕1792测量电阻时为什么要将电阻至少一段断开 -
宁翟显18399504740 ______[答案] 测量电阻时 多用电表内部有电源 若外部有电源 会损坏内部电源

弓郝裕1792关于多用电表,下列说法正确的是( )A.多用电表是电压表、电流表、欧姆表共用一个表头改装而成的B. -
宁翟显18399504740 ______ A、多用电表是电压表、电流表、欧姆表共用一个表头改装而成的,故A正确; B、多用电表各项测量完成后,应把选择开关旋至“OFF”处或交流电压的最大量程处,故B正确; C、多用电表的电压挡、电流挡是靠外部供电的,欧姆挡是靠内部提供电流的,故C错误; D、用多用表测电压、测电流和测电阻时,电流都是从红表笔流入电表、从黑表笔流出电表的,故D正确; 故选:ABD.