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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甫受农4986多用表机械凋零和欧姆调零有什么区别 -
向瞿勤13336115647 ______ 机械调零,是因为指针离开了零刻度,而欧姆调零,他是多用电表在测量电阻的时候,要让表的示数达到满偏,之后接入电阻,看电表上的电阻示数,

甫受农4986在使用多用电表时指针为什么要调到电流零刻度 -
向瞿勤13336115647 ______ 为了便于实验观察,指针要调到电流零刻度多用电表的电流档(电压档)实际上就是电流表(电压表).当然,也可调到电流其它位置,比如0.1A处,最后记录的测量值等于电表示数减去0,电流零刻度对应电阻无穷大,所以指针要调到电流零刻度.1A. 对电阻档来说

甫受农4986多用电表欧姆挡换挡后为什么不能自动调零 -
向瞿勤13336115647 ______ 按照多用电表的电路原理,欧姆挡只要在任意档位一次调零后,不论置哪个档位都应该自动置零.然而,尽管表中的分压器再精密,欧姆表更换档位后指针都会有不同程度的零位偏差;欧姆表是有源测量的仪表,测量电路中必须置放电池作为测量电源,电池是有内阻的电源,而且电池内阻会随电池的使用时间而改变.多用表换档不置零的一个重要原因是不同的测量档位具有不同的测量电流,小阻值档测量电流最大,高阻值逐档递减至最小,不同的测量电流在电源内阻上的电压降就有绝对的差别,也就产生了不自动置零的问题,所以欧姆表都需要设置一个调零电位器,以应对电池电压变化与测量电流引起电池不同压降带来的麻烦.

甫受农4986用多用电表欧姆档时为什么要机械调零,难道不机械调零,欧姆调零就调不到零吗? -
向瞿勤13336115647 ______[答案] 机械调零应该说的是0mV的零点.也就是欧姆档的无穷大位置.表针的最左刻度线 欧姆调零是指短路表笔后,欧姆档的零位.表针的最右刻度线. 机械调零适合所有的档位,这个零点不准影响所有的数据.

甫受农4986电学实验 有关欧姆表多用电表电池使用时间长了以后,会发生老化,但是经过欧姆调零后,仍可使表针调至零欧姆刻度,这时测出的电阻值R测,与所测电阻... -
向瞿勤13336115647 ______[答案] 这个你仔细想想,用久了后电池内阻变大,测的电阻实际是内阻加外阻,所以与真实值比变大了,另外你可以用特值法,设电动势4V,内阻原来1欧,后来3欧,外阻恒定1欧,由于电阻那栏越左边电阻越大,所以测量值偏大

甫受农4986使用多用电表的欧姆档时,在使用之前,指针未指向零点,就短接红黑表笔 欧姆调零.这样是否可以?(原理) -
向瞿勤13336115647 ______[答案] 不可以,如果不归零,首先要把万用表放到水平位置,还不行的话就自己调一下,表盘的下方有一个调节器,试着调一下就ok了

甫受农4986多用电表中欧姆表详细原理 -
向瞿勤13336115647 ______ 欧姆档原理的简单理解就是:把表内部的一个电阻(占时称之为“控制电阻”)、表头线圈、待测电阻、表内部电池(还有调零用的可变电阻)串联到一起.那么当外部待测电阻为0时,表针的指示会由于电池电压的改变而改变,所以需要通过改变调零旋钮(就是那个可变电阻)来改变内部的总电阻,从而使表针回归零刻度处换挡的实质就是改变内部电阻(就是“控制电阻”),这跟调节调零旋钮是不同的(所以当你换挡的时候也需要调整调零旋钮)档位确定后,待测电阻的阻值越大,表头线圈中电流越小,但是,由于存在“控制电阻”,电流的变化不是随待测电阻阻值同倍变化的,所以欧姆档的表头读数不是均匀的

甫受农4986练习使用多用电表测电阻多用电表机械调零有什么用?欧姆调零有什么用?(反正最后都要把2笔分开何必要调零呢?) -
向瞿勤13336115647 ______[答案] 机械调零是把还有一点点对不上的指针对准0刻度 你们老师没讲吗,欧姆表的原理就是利用欧姆定律,电流与电阻的关系设计出来的,调零后就可以测电阻,利用通过“电流表”电流的大小,来估测出电阻的大小.如果不调0,则测出的电阻就是带测...

甫受农4986为什么多用电表用久了,测量值会偏大?一个多用电表电池已经用了很久了,但仍可通过调零电阻调到零欧姆处,这时测量值为什么会比真实值大呢?电... -
向瞿勤13336115647 ______[答案] 因为多用电表欧姆挡测电阻,电池用久了,电动势减小,内阻变大,用前欧姆调零(即电流满偏),导致实际中值电阻变小,而表盘示数不变,故读数比实际阻值偏大!

甫受农4986多用电表测电阻是欧姆调零是把指针调到0欧姆处还是电表左端,还有在不知道电阻情况下怕指针偏转太大先是*1档还是x1000档,我查了几本书都不一样, -
向瞿勤13336115647 ______[答案] 多用电表测电阻是将两表笔捏到一起后,将欧姆调零是把指针调到0欧姆处,0欧姆=调零. 不知道电阻情况下没有怕指针偏转太大这问题,指针偏转最大就是0欧姆处,调零时常偏转到此处,电表不会有问题的.测量时最好调档使得指针指向中间附近位...