英语翻译电磁感应与动圈式话筒 1831年,英国的物理学家法拉第发明了电磁感应现象：闭合电路的一部分导体在磁场中做切割磁感

英语翻译
电磁感应与动圈式话筒
1831年,英国的物理学家法拉第发明了电磁感应现象：闭合电路的一部分导体在磁场中做切割磁感线运动时,导体中就会产生电流,这种现象称为电磁感应现象,产生的电流就叫感应电流.
电磁感应这一重要的发明,对人类最大的贡献就是由此而制造出的发电机,使人类大规模地用电成为一种现实.
发电机是利用电磁感应现象制成的,这点可能有些物理知识的人也都知道.其实,我们在生活中常见的话筒（麦克风）如图（左）,大多也是根据这个原理制成的.
话筒的种类很多,按结构不同,一般分为动圈式、晶体式、炭粒式、铝带式和电容式等：按使用性能可分成立体声话筒、有线话筒、无线话筒、驻极体话筒等：按接收的方向又可分成心形、超心形、强指向、无方向等.但不管是什么样形式的话筒,他们的原理是相同的,就是把声信号转换成电信号,只是采用转换信号的方式不同.
我们生活中常见的话筒大部分都是动圈式话筒,其结构如图（右）：它在一个膜片的后面粘贴着一个由漆包线绕成的线圈,也叫音圈.在有膜片的后面还安装了一个环形的永磁体,并将线圈套在永磁体的一个极上,线圈的两端用引线引出.
我们已经知道,物体是由振动发声的.我们说话时会激起向四周传播的声波,声波引起周围的空气的振动.对着话筒说话时,我们说话产生的声波就会引起膜片的振动,膜片的振动就带动了套在磁极上的线圈前后振动,而线圈的前后振动,就做了切割了磁感线的运动,所以就在线圈中产生了电流,这样就把声信号转化为电信号.
我们说话的声音是大小不断变化的,线圈振动时产生的感应电流的大小和方面也就不断地变化,它变化的振幅和频率是由声波决定的.
当然这个微弱的电流不足以引起扬声器的喇叭振动的,这时我们就用扩音器（俗称功放）把这个电流放大,再传给扬声器,从扬声器中就发出了放大的声音.
在八年级(人教版)动手动脑学物理就提到了这样的问题：“当你对着话筒说话或唱歌时,产生的声音使膜片______,与膜片相连的线圈也跟着一起______,线圈在磁场中的这种运动,能产生随着声音的变化而变化的_____,经放大后,通过扬声器还原成声音.”
振动、振动、电流
扬声器工作过程是刚好和话筒完全相反的,它把电信号又转换成声信号,这里用到的就是通电导体在磁场中会受到力的作用这个原理,有兴趣的同学可以查阅一下的资料,看看扬声器的结构和工作原理吧!
当我们在卡啦OK厅放声高歌时,当我们在KTV包房尽情欢唱时,当我们陶醉在舞台上歌星的精彩歌声时,当我们沉浸于主持人的妙语联珠时,请别忘了拿在手里的默默无离的工具──话筒,不是它们的存在,不是它们的尽职尽责,我们又怎么会有这样美好的享受呢? 家家家 1年前他留下的回答 已收到1个回答

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该名网友总共回答了21个问题，此问答他的回答如下：采纳率：90.5%

电磁感应与动圈式话筒
Electromagnetic induction and moving coil type microphone
1831年,英国的物理学家法拉第发明了电磁感应现象：闭合电路的一部分导体在磁场中做切割磁感线运动时,导体中就会产生电流,这种现象称为电磁感应现象,产生的电流就叫感应电流.
In 1831, the British physicist Faraday invented the electromagnetic induction phenomenon: part of the closed circuit in magnetic field conductor cutting a magnetotactic line movement, conductor can produce current, this phenomenon is called the electromagnetic induction phenomenon, and the resulting current call an induced current.
电磁感应这一重要的发明,对人类最大的贡献就是由此而制造出的发电机,使人类大规模地用电成为一种现实.
Electromagnetic induction this important invention to the human biggest contribution is thus creating the generators, make human large-scale power become a reality.
发电机是利用电磁感应现象制成的,这点可能有些物理知识的人也都知道.其实,你可能不知道,我们在生活中常见的话筒（麦克风）如图（左）,大多也是根据这个原理制成的.
Using electromagnetic induction generator is made of the phenomenon, this can some physical knowledge also knows that. In fact, you may not know, we live in common a microphone (mic) as shown in figure (left), are based on this theory is made.
话筒的种类很多,按结构不同,一般分为动圈式、晶体式、炭粒式、铝带式和电容式等：按使用性能可分成立体声话筒、有线话筒、无线话筒、驻极体话筒等：按接收的方向又可分成心形、超心形、强指向、无方向等.但不管是什么样形式的话筒,他们的原理是相同的,就是把声信号转换成电信号,只是采用转换信号的方式不同.
There are many kinds of phone, according to the structure different, generally divided into moving coil type, crystal type, charcoal grain type, aluminum belt and capacitive etc: according to the using performance can be divided into stereo microphone, cable microphone, wireless microphones, in a body microphone, etc: according to the direction of receiving and can be divided into heart-shaped, super heart-shaped, strong point to, no direction, etc. But no matter what form of microphone, their principle is the same, is the acoustic signal into electrical signal, just the way the conversion signal is different.
我们生活中常见的话筒大部分都是动圈式话筒,其结构如图（右）：它在一个膜片的后面粘贴着一个由漆包线绕成的线圈,也叫音圈.在有膜片的后面还安装了一个环形的永磁体,并将线圈套在永磁体的一个极上,线圈的两端用引线引出.
We live in the most common microphone is moving coil type microphone, its structure as shown in figure (right) : it in a patch of used a behind by a wire enameled wire around coil, also called voice coil. In the back of the diaphragm has installed a ring of the permanent magnet, and the lines in the permanent magnet trap an extremely, at both ends of the coil with lead out.
我们已经知道,物体是由振动发声的.我们说话时会激起向四周传播的声波,声波引起周围的空气的振动.对着话筒说话时,我们说话产生的声波就会引起膜片的振动,膜片的振动就带动了套在磁极上的线圈前后振动,而线圈的前后振动,就做了切割了磁感线的运动,所以就在线圈中产生了电流,这样就把声信号转化为电信号.
We already know, the object is by the vibration of the voice. We talk to arouse the spread of sound waves around, sound waves cause the surrounding air vibration. When talking to the microphone, we speak of sound waves produced will cause the vibration of the diaphragm, the vibration of the diaphragm will drive the set on the magnetic poles before and after the coil vibrations, and the coil and vibration, and made a cutting the magnetic feeling line of the sport, so in coil produces current, so the sound signal into electrical signals.
我们说话的声音是大小不断变化的,线圈振动时产生的感应电流的大小和方面也就不断地变化,它变化的振幅和频率是由声波决定的.
Our voice is changing the size of the coil vibration of the inductive current generated when the size and I constantly changing, it changes amplitude and frequency is decided by sound waves.
当然这个微弱的电流不足以引起扬声器的喇叭振动的,这时我们就用扩音器（俗称功放）把这个电流放大,再传给扬声器,从扬声器中就发出了放大的声音.
Of course this weak electric current is not enough to cause the horn of the vibration, and then we'll use amplifiers (known as pa) the current amplification, again to the speaker, from the speaker gave the magnification of the voice.
在八年级(人教版)动手动脑学物理就提到了这样的问题：“当你对着话筒说话或唱歌时,产生的声音使膜片______,与膜片相连的线圈也跟着一起______,线圈在磁场中的这种运动,能产生随着声音的变化而变化的_____,经放大后,通过扬声器还原成声音.”
In eighth grade (o 'clock) to begin to move the brain to learn physics is mentioned this question: "when you speak or sing to the microphone, produce the voice of the diaphragm sight, and diaphragm connected with the coil in magnetic field coil sight together, this kind of sport, can produce with the voice changes, the _____ after enlargement, through speakers reduction into sound."
答案就是：振动、振动、电流
The answer is: vibration, vibration, current
扬声器工作过程是刚好和话筒完全相反的,它把电信号又转换成声信号,这里用到的就是通电导体在磁场中会受到力的作用这个原理,有兴趣的同学可以查阅一下的资料,看看扬声器的结构和工作原理吧!
The speaker work process is just right and microphone completely opposite, it signals and convert sound signal, the power is used here in magnetic field will be affected by conductor force the principle, is interested in the students can access the information, see the speaker the structure and working principle of!
当我们在卡啦OK厅放声高歌时,当我们在KTV包房尽情欢唱时,当我们陶醉在舞台上歌星的精彩歌声时,当我们沉浸于主持人的妙语联珠时,请别忘了拿在手里的默默无离的工具──话筒,不是它们的存在,不是它们的尽职尽责,我们又怎么会有这样美好的享受呢?
When we are in the card! OK hall and song, when we were all sing KTV rooms, when we intoxicated in stage star wonderful songs, when we lost in the host punch line clue, please don't forget to take in the hand of the silent no ─ ─ microphone from tools, not of their existence, and not their due diligence, we and how can have such a beautiful enjoy?
希望能帮助到你!

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