Zingaphi ii-watts kwibhetri yemoto |Ket
Ibhetri yemoto ayinayo i-walit ethile, njengoko yenzelwe ukubonelela ngamandla ombane kwifom ye-positing yangoku (i-DC) kunokuba inamandla kwii-watts.Endaweni yoko, iibhetri zemoto zilinganiswe ngokwezivolomitha zabo kunye ne-AMPE-yure (Ah).

I-voltage ibhetri eqhelekileyo yemoto yi-12 volts, nangona ezinye iibhetri esebenzayo zinokuba nevolthi ephezulu.Inqanaba le-AH ibhetri yemoto imele isixa sentlawulo enokuhambisa ixesha elithile.Umzekelo, ibhetri engama-50 ingenza i-1 AMP ye-50 yeeyure ezingama-50, okanye ii-2 ze-2 zangoku iiyure ezingama-25, njalo njalo.
Ukubala amandla kwii-watts ukuba ibhetri yemoto inokuhlangula, kuya kufuneka wazi zombini i-voltage kunye ne-voltage (kwii-Amperes) ukuba ibonelela.Amandla (kwii-watts) ubalwa ngokuphindaphinda i-voltage okwangoku, usebenzisa ifomula:
Amandla (ii-watts) = i-voltage (i-volts) x yangoku (ii-Amperes)
Ke, umzekelo, ukuba ibhetri yemoto ihambisa ii-Amp ezili-10 zangoku kwi-12 volts, iziphumo zayo zamandla ziya kuba:
Amandla
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