Apparatus for demonstrating the induced voltage in a frame coil that is moved through the magnetic field produced by a magnet plate of limited area or by the rotation of a current-carrying conductor in the magnetic field of the magnet plate ...
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它包括一个无铁芯的发电机电枢。这个装置安装在磁极间距可调的永磁体(U10370)的内部。线圈纯粹是通过洛伦兹力作用而旋转,它的转动方向依赖于电流方向。
另外需要:
P1002660 磁极间距可调的永磁体
P1003312 直流电源组件
Comprising a motor armature without an iron core, this device is intended for installation inside the permanent ...
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Coils for experiments on induction in combination with the 120 mm diameter field coil (U12253) and for experiments on resonant electric circuits. The coils are only designed for safety extra low voltage (SELV). The spools are made of transparent ...
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600-winding coil without core attached to a safe box and featuring safety sockets. For experiments on induction, a bar magnet can be passed through the coil.
Dimensions: 135x85x40 mm³
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它用来产生各向同性的磁场,可以配合旋转座架和平面线圈(U8481510)用于磁场感应实验,也可以配合电子束管(U8481420)或阴极射线管用于测定电子的电荷量。线圈可以串联或并联控制。一个弹簧夹置于顶部的交叉棒上,在磁场测量实验中可用来安装霍尔传感器。
线圈的直径:300 mm
线圈的间距:150 mm
每个线圈的匝数:124
上釉的铜线厚度:1.5 mm
直流电阻:每个1.2
最大的线圈电流:5A
最大的线圈电压:6V
电流为5A时的最大的磁通量密度: 3 ...
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data-item-price="48.6000"
href="https://www.3bscientific.com/cn/lenzs-law-apparatus-1009959-u8556012-3b-scientific,p_880_18834.html">Lenz's Law Apparatus
Item: 1009959 [U8556012]
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Instrument for demonstrating Lenz’s Law qualitatively by bringing a magnet close to it. One closed and one open conductor loop, with point bearing on base.
Length: approx. 195 mm
Height: approx. 110 mm
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Handy demonstration apparatus for illustrating Lenz’s law and induction of eddy currents. A small steel cylinder and a magnet of the same weight fall at different speeds through a copper tube because the motion of the magnet causes ...
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Guinea and feather tube apparatus with 6 induction coils connected in series. When a bar magnet (included in the scope of delivery) is dropped in the tube, a voltage is induced as it passes each of the respective coils. Due to the magnet ...
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