锟斤拷锟斤拷墓锟斤拷锟斤拷锟矫从嬶拷锟�

锟斤拷源锟斤拷锟竭匡拷锟絎(w锟斤拷ng)锟斤拷锟斤拷 2023-01-30 20:31:51

[锟剿猴拷锟斤拷锟斤拷锟斤拷知锟絉锟絚 2023锟竭匡拷]

锟斤拷锟斤拷锟斤拷锟斤拷蠘说锟揭伙拷锟斤拷锟街革拷~锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷~锟斤拷電夛拷锟斤拷锟絶锟斤拷負锟絛锟斤拷r锟铰的癸拷锟绞★拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷P=锟斤拷U锟斤拷锟斤拷锟斤拷锟絝锟矫憋拷y一锟斤拷锟斤拷锟斤拷锟诫妷锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷讯锟斤拷锟斤拷锟剿撅拷锟角癸拷锟斤拷锟斤拷锟斤拷锟斤拷某锟斤拷直锟斤拷12V锟斤拷LED锟斤拷锟捷ｏ拷锟統锟斤拷锟斤拷锟斤拷锟�2.5A锟斤拷锟斤拷么锟斤拷锟侥癸拷锟绞撅拷锟斤拷12V锟斤拷2.5A=30W锟斤拷

锟斤拷锟斤拷1锟斤拷锟绞碉拷計锟姐公式

锟斤拷锟斤拷锟斤拷锟绞碉拷锟斤拷電夛拷锟斤拷锟斤拷锟斤拷某朔e锟斤拷锟斤拷式: P=UI锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟絯锟节嗭拷位锟絩锟絞锟斤拷锟斤拷锟斤拷锟侥癸拷锟侥讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥旓拷(sh锟斤拷)锟斤拷一锟斤拷锟斤拷锟絩锟絞越锟斤拷锟斤拷锟斤拷锟斤拷值锟斤拷越锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷位锟絩锟絞锟斤拷锟斤拷锟斤拷锟侥癸拷锟絈锟介功锟绞ｏ拷锟斤拷P锟斤拷示锟斤拷锟绞癸拷锟绞碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟絯锟斤拷锟斤拷锟絚锟劫度的橈拷锟斤拷锟絜锟斤拷

锟斤拷锟斤拷2電癸拷锟绞產(ch锟斤拷n)锟斤拷原锟斤拷

锟斤拷锟斤拷1锟斤拷锟絖锟絇锟皆达拷锟捷旓拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絆锟杰和濾锟斤拷锟斤拷萁M锟缴碉拷锟斤拷锟斤拷锟絍锟斤拷锟铰凤拷锟�220V锟斤拷锟斤拷輸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街憋拷咏锟斤拷锟斤拷锟斤拷锟絍锟斤拷锟斤拷锟皆得碉拷锟斤拷锟斤拷锟絕锟斤拷平锟斤拷锟斤拷直锟斤拷電夛拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絆锟杰和濾锟斤拷锟斤拷萁M锟缴碉拷锟斤拷锟斤拷锟絍锟斤拷锟铰凤拷锟揭伙拷N锟角撅拷锟斤拷元锟斤拷锟酵冿拷锟斤拷元锟斤拷锟侥組锟斤拷锟斤拷锟絤然锟斤拷锟斤拷輸锟斤拷锟斤拷锟诫妷锟斤拷牟锟斤拷锟絍i锟斤拷锟斤拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷元锟斤拷锟侥岋拷通锟角诧拷锟斤拷180o锟斤拷一锟斤拷只锟斤拷60°锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷輸锟诫交锟斤拷锟斤拷锟斤拷锟斤拷螄锟斤拷鼗锟阶�锟斤拷锟斤拷锟絵锟絖锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟绞的憋拷锟斤拷锟絇系

锟斤拷锟斤拷锟斤拷聯(li锟斤拷n)锟铰凤拷锟絇/P'=R/R' P锟斤拷=P'*P''/P'+P"锟斤拷聯(li锟斤拷n)锟铰凤拷锟絇/P'=R'/R P锟斤拷=P'+P"

锟斤拷锟斤拷計锟斤拷

锟斤拷锟�锟斤拷锟斤拷锟斤拷 R

锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷诓锟斤拷锟斤拷锟斤拷锟绞筹拷锟斤拷(锟絃锟饺筹拷锟皆橫锟斤拷锟斤拷e) R=ρ×(L/S)

锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟诫妷锟斤拷锟斤拷锟斤拷锟斤拷 R=U/I

锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟诫妷锟狡斤拷锟斤拷锟斤拷锟诫姽锟斤拷锟� R=U^2;/P

锟斤拷锟斤拷锟斤拷瑁篟=U^2/P

锟斤拷锟�锟斤拷锟诫姽锟斤拷锟� W

锟斤拷锟斤拷電癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟诫妷锟斤拷藭r锟絞 W=UIt(锟斤拷通锟斤拷式)

锟斤拷锟斤拷電癸拷锟斤拷锟斤拷電癸拷锟绞筹拷锟皆時锟絞 W=Pt

锟斤拷锟斤拷電癸拷锟斤拷锟斤拷電荷筹拷電夛拷 W=UQ

锟斤拷锟斤拷電癸拷锟斤拷锟斤拷锟斤拷锟狡斤拷锟斤拷锟斤拷锟斤拷藭r锟絞 W=I^2Rt(锟斤拷锟斤拷锟斤拷路)

锟斤拷锟斤拷電癸拷锟斤拷锟斤拷電夛拷平锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷俪锟斤拷詴r锟絞 W=(U^2/R)×t(同锟斤拷)

锟斤拷锟斤拷電癸拷锟斤拷P

锟斤拷锟斤拷锟斤拷電癸拷锟绞碉拷锟斤拷電夛拷锟斤拷锟斤拷锟斤拷锟� P=UI

锟斤拷锟�锟斤拷锟诫姽锟斤拷实锟斤拷锟斤拷锟斤拷平锟斤拷锟斤拷锟斤拷锟斤拷锟� P=I^2*R(锟斤拷锟斤拷锟斤拷路锟斤拷锟斤拷锟斤拷锟节达拷聯(li锟斤拷n)锟铰�)

锟斤拷锟�锟斤拷锟诫姽锟斤拷实锟斤拷锟诫妷锟狡斤拷锟斤拷锟斤拷锟斤拷锟斤拷 P=U^2/R(锟斤拷锟斤拷锟斤拷路锟斤拷锟斤拷锟斤拷锟节诧拷聯(li锟斤拷n)锟铰�)

锟斤拷锟�锟斤拷锟诫姽锟斤拷实锟斤拷锟诫姽锟斤拷锟斤拷詴r锟絞 P=W/t

锟斤拷锟斤拷5.電癸拷锟斤拷P=UI

锟斤拷锟斤拷注锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷锟酵伙拷路锟叫時锟斤拷锟斤拷锟绞曪拷變锟斤拷之前锟斤拷锟侥凤拷之一锟斤拷