1. I-voltage yendawo yokukhusela ngokuthe ngqo: Intlawulo ethe ngqo ikwabizwa ngokuba yintlawulo kaxakeka, eyeyentlawulo ekhawulezayo.Ngokuqhelekileyo, xa amandla ombane ebhetri ephantsi, ibhetri ihlawuliswa ngokuphezulu kwangoku kunye nombane ophezulu.Nangona kunjalo, kukho indawo yokulawula, ekwabizwa ngokuba ngukhuseleko I-p...
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