Magnetomotive force (mmf), Fm=NI ampere-turns (At), qhov twg N=tus naj npawb ntawm conductors (los yog tig) thiab kuv=tam sim no hauv amperes. Txij li thaum 'tig' tsis muaj units, SI unit ntawm mmf yog ampere, tab sis kom tsis txhob muaj kev tsis sib haum xeeb 'ampere-turns', (A t) yog siv nyob rau hauv tshooj no.
Lub zog magnetomotive dab tsi yog nws chav tsev?
Chav tsev ntawm lub zog magnetomotive yog lub ampere-tig, sawv cev los ntawm ib qho chaw ruaj khov, ncaj qha hluav taws xob ntawm ib lub ampere ntws hauv ib lub voj voog ntawm cov khoom siv hluav taws xob hauv ib qho lub tshuab nqus tsev. Magnetomotive quab yuam yog lub zog uas teeb tsa lub magnetic teb nyob rau hauv thiab ib ncig ntawm ib yam khoom.
Magnetomotive quab yuam hauv magnetic circuit yog dab tsi?
In magnetic circuit. Lub zog magnetomotive, mmf, yog analogous rau lub zog electromotive thiab tej zaum yuav suav hais tias yog qhov tseem ceeb uas teeb tsa cov flux. Lub mmf yog sib npaug rau ib tug xov tooj ntawm lem ntawm xaim nqa cov hluav taws xob tam sim no thiab muaj units ntawm ampere-tig.
MMF poob nyiaj li cas?
Lub mmf poob ntawm huab cua sib txawv yog xam raws li HGlG=(1/410 7)(0.0005)=397.9 Ntawm.