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详细内容 Itproves that there exits magnetic field around the current-flowing conductors, and the right-hand rule and the magnetic field of straight-line current can also be investigated by using it. It is characterized in grand structure , easy to use, time-saving and the demonstration is direct and clear. 1)Componentssupport /stand open rectangle copper framewiring terminal crown pillarmagnet needle2)Principles and theories investigatedright-hand screw rule 3) List of experimentsinvestigating magnetic effect of currentinvestigating magnetic field of solenoid with electric current 联系方式 Email kleebuilders@hawaii.rr.com 公司名 佑纬企业有限公司 国家 中国台湾 联系人 许正义 地址 台北县板桥市三民路２段１５３巷３弄７号３楼 电话 00886 2 29578006 **** Hidden Message *****Email claire@tingscarbide.com,intercon_bom@hathway.com,hnrelectronics@yahoo.com,rpwinsocal@aol.com,paulino@misarabia.com.sa,
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