4Me4 Magnetic Electromagnet– Electromagnetic model

The concept of electromagnet
When electric current passes through the metal wire, it magnetizes the wire temporarily and produces a magnetic field. An electromagnet is formed. It stops magnetism when there is no electricity.

分類: ,

商品評價

目前沒有評價。

搶先評價 “4Me4 Magnetic Electromagnet– Electromagnetic model”

你的電郵地址並不會被公開。 必要欄位標記為 *