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magnetic induction line demonstration board electromagnetic magnetic field demonstration physical experiment science and education instrument experimental equipment

磁感线演示板电磁学磁场演示物理实验科教仪器实验器材

  • EXW Price: Min. order:
    ¥42.9
    ≥20/piece
  • 20 piece
  • Exchage Rate 1 CNY ≈ 0.142 USD
  • Item No. 青华24005
  • Stock num 999 piece
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  • Description

注意:下单前需要确认交货时间

一.概述

本演示器供中学物理磁场教学之用,有立式、卧式、立体五个品种,可用条形磁铁,蹄形磁铁演示周围磁感线的形成和磁在相吸或相斥不同情况下磁感线的形成。还可演示电流磁场周围各个空间磁感线的形成。本演示器用有机玻璃制作,新颖美观,效果明显,既直观又可投影。

二.使用

  先将演示板轻轻摇动,使小针片或孔内小针呈不规则排列,再将磁铁放到演示板上,轻敲板面,使小针片或孔内小针在磁场作用下明显呈现出磁感线来。

三.注意事项

1.使用或存放时不与酸碱等服蚀品接触,保持干燥,以免金属部件氧化而影响实验效果。

2.本仪器系有机玻璃制作,切勿生搬硬碰,以免损坏。


Update time:20230617104521


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