Kev siv ntawm Ring Magnets

Lub nplhaib hlau nplaum yog siv dav hauv ntau qhov chaw vim lawv cov qauv tshwj xeeb thiab cov khoom. Piv txwv li, hauv cov khoom siv kho mob, lub nplhaib hlau nplaum tuaj yeem siv los tsim cov hlau nplaum muaj zog los pab txhawb qhov chaw thiab kev soj ntsuam cov duab ntawm tib neeg cov ntaub so ntswg. Tsis tas li ntawd, hauv cov khoom sib nqus sib nqus, cov nplhaib hlau nplaum tuaj yeem siv los cais cov khoom sib nqus los ntawm cov khoom tsis yog- sib nqus.