Similarly, moving a magnet creates an electric current in a neighbouring wire.
同样，移动磁体也可以使线圈中产生电流。
These prevent the central magnet from moving up and down smoothly.
这样可以避免线圈中央的磁铁上下移动的幅度过小。
A current can also be induced by constantly moving a permanent magnet in and out of a coil of wire or by constantly moving a conductor near a stationary permanent magnet.
让永久磁铁在线圈中进出运动或让一个导体在固定的永久磁铁附近的区域移动，也会产生电流。
Magnet systems for moving coil loudspeakers; definitions, dimensions, methods of measurement.
动圈式扬声器的磁系统。概念。尺寸。测量方法。
According to the working principle of color kinescope, the article deduces the formula that the purity convergence magnet adjusts the electron beam moving distance.
文章根据彩色显像管的工作原理，对会聚磁组件调整电子束产生的移动量进行模拟推导计算，推导出的公式为新产品的开发提供了有益的途径。
Today the most commonly used geophone is the magnet-electrical velocity geophone, also called the moving-coil geophone, moving-coil geophone is one of important link in the seismic exploration.
目前最常用的地震检波器是磁电式速度型地震检波器，又称动圈式检波器，动圈式检波器的测试是地震勘探中一个重要的环节。
The interaction between the permanent magnet and the moving conductor is analyzed in detail, and a novel noncontact driving mode is discovered.
通过分析磁体与非磁性运动导体间的相互作用，发现了一种由非磁性运动导体驱动永磁体转动的非接触驱动方式。
A permanent magnet and a moving contact are fixed on a swing plate which can deflect, and the top end of the swing plate is hung on a coil brace through a spring.
永久磁铁和动触头固定在摆动板上，摆动板可偏转，顶端通过弹簧吊置在线圈支架上。
Place any magnet under the unit and set it on an overhead projector-and you will see the filings moving to line up along the lines of magnetic force.
将一磁铁放在盒下并将它放在一投影机下面——你即可看到铁粉随著磁力线的分布而移动。
Under the action of variation magnetic field, the permanent magnet moving-coil drives the plunger pump to move up and down and lift oil up to ground.
通过动力电缆给井下直线电机供电后产生交变磁场，永磁体动子在交变磁场作用下带动泵柱塞上下往复运动，从而达到举升抽油的目的。
It is a moving-coil panel meter with core-magnet. The meters are suitable for electronic instruments, communication facilities and vehicles to indicate a variety of electric parameters.
该电表系磁电系内磁结构，适用于电子仪器，通讯广播设备及车辆配套，指示各种电量和非电量。
It is a moving-coil panel meter with core-magnet. The meters are suitable for electronic instruments, communication facilities and vehicles to indicate a variety of electric parameters.
该电表系磁电系内磁结构，适用于电子仪器，通讯广播设备及车辆配套，指示各种电量和非电量。
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