u are amazing teacher tanks a lot for gives leacture
@fikeman74003 жыл бұрын
Awosme👍
@FeyisaTase10 ай бұрын
Mirxinaw wandimee
@donkeytube96222 жыл бұрын
transformer is used to step up or step down ac voltage but the input of chopper transformer is DC b/c it is found after rectify by four diode so how it work?
@yonisat12 жыл бұрын
when dc is switched by high frequency it genwrate Emf in primary winding of choper so we can get Ac high frequency
@Alemenehwork Жыл бұрын
yoni bertalen wendeme
@surafelalemayehu72402 жыл бұрын
ስለ AC እና DC current ልዩነት በግልጽ ብታሳየን ለምንድን ነው ACtoDC DCtoAc መቀየር የሚያስፈልገው
@yonisat12 жыл бұрын
Ac mejmeriyaw low Frequency new maletem 50_60Hz kezan wede High Frequency Ac yekeyeral mekenyatum current step up adregen variable yehone voltage lemagegnete ...yehe degmo ke 20,000_50000 Hz frequency new 1 video seralew detailed