锟斤拷锟斤拷锟斤拷锟斤拷(g锟斤拷)锟斤拷璨⒙�(li锟斤拷n)锟斤拷锟斤拷锟斤拷锟絉锟斤拷=1/(1/R1+1/R2+1/R3)锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟揭滐拷(zh锟斤拷n)锟斤拷锟揭伙拷锟�(g锟斤拷)锟斤拷锟絯锟斤拷計(j锟斤拷)锟斤拷锟絕锟教凤拷锟斤拷锟斤拷希锟斤拷锟斤拷锟皆庯拷锟斤拷锟斤拷腋锟斤拷玫锟斤拷锟斤拷锟�锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷(g锟斤拷)锟斤拷璨⒙�(li锟斤拷n)锟侥匡拷锟斤拷锟斤拷锟矫达拷锟�

锟斤拷锟斤拷锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷锟斤拷(g锟斤拷)锟斤拷锟絉1,R2,R3

锟斤拷锟斤拷锟揭傦拷锟饺帮拷R1,R2锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟絯锟斤拷記锟斤拷R12锟斤拷1/R12=1/R1+1/R2

锟斤拷锟斤拷锟紽(xi锟斤拷n)锟节撅拷變锟斤拷锟斤拷R12锟斤拷R3锟缴傦拷(g锟斤拷)锟斤拷璨⒙�(li锟斤拷n)锟斤拷記锟斤拷R锟斤拷锟斤拷1/R锟斤拷=1/R12+1/R3

锟斤拷锟斤拷锟揭傦拷锟斤拷锟斤拷锟斤拷蓚锟�(g锟斤拷)式锟斤拷聯(li锟斤拷n)锟斤拷锟斤拷锟斤拷锟杰夛拷玫锟�1/R锟斤拷=1/R1+1/R2+1/R3

锟斤拷锟斤拷锟斤拷么R锟斤拷=1/(1/R1+1/R2+1/R3)

锟斤拷锟斤拷锟斤拷锟节嗭拷锟絵锟叫碉拷锟斤拷锟斤拷锟斤拷R锟斤拷=1/锟斤拷1/5+1/10+1/15锟斤拷=30/11Ω

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)計(j锟斤拷)锟姐公式

锟斤拷锟斤拷锟斤拷聯(li锟斤拷n)锟铰�

锟斤拷锟斤拷锟絎姆锟斤拷锟缴ｏ拷I=U/R

锟斤拷锟斤拷變锟斤拷锟斤拷電夛拷锟斤拷U=IR

锟斤拷锟斤拷變锟斤拷锟斤拷锟斤拷瑁篟=U/I

锟斤拷锟斤拷電夛拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷U=U1+U2

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)系锟斤拷I=I1=I2

锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷R=R1+R2

锟斤拷锟斤拷锟斤拷聯(li锟斤拷n)锟铰�

锟斤拷锟斤拷電夛拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷U=U1=U2

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)系锟斤拷I=I1+I2

锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷1/R=1/R1+1/R2

锟斤拷锟斤拷電癸拷锟斤拷計(j锟斤拷)锟姐：W=UIt

锟斤拷锟斤拷電癸拷锟绞的讹拷锟絰式锟斤拷P=W/t

锟斤拷锟斤拷锟斤拷锟矫癸拷式锟斤拷P=UI

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴ｏ拷Q锟斤拷=I2Rt

锟斤拷锟斤拷锟斤拷锟节硷拷锟斤拷锟斤拷路锟斤拷锟皆ｏ拷Q锟斤拷=I2Rt =U2t/R=UIt=Pt=UQ=W

锟斤拷锟斤拷锟斤拷锟斤拷锟铰凤拷目锟斤拷锟斤拷实锟接�(j锟斤拷)锟姐：P=P1+P1+……

锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷锟斤拷知锟絉锟絚(di锟斤拷n)锟絉锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷每锟斤拷锟斤拷俟锟斤拷锟�

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號