如上,什麼物質可阻隔磁力?
當磁石放在近距離,有什麼物質可以阻礙它們相吸
先說明,我要的是物質,不是距離,時間或空間
什麼物質可阻隔磁力
2010-06-09 3:48 am
回答 (2)
2010-06-09 8:13 pm
A type I superconductor is the best material in shielding magnetic field due to the Meissner effect.
參考: wikipedia
2010-06-09 4:11 am
Use ferromagnetic materials, such as alloys of iron, cobalt and nickel.
Ferromagnetic materials have a high permeability, i.e. they allow magnetic field lines to pass through them easily, thus could shield off magnetic field by "conducting" the field lines away.
Ferromagnetic materials have a high permeability, i.e. they allow magnetic field lines to pass through them easily, thus could shield off magnetic field by "conducting" the field lines away.
收錄日期: 2021-04-29 17:35:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100608000051KK01323