锟斤拷锟斤拷锟姐定锟斤拷锟�

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟�電荷的讹拷锟斤拷锟狡勶拷锟叫筹拷锟斤拷锟�锟斤拷 1锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷臈l锟斤拷锟斤拷 (1)锟斤拷锟斤拷電猴拷; (2)電堬拷; 2锟斤拷锟斤拷锟斤拷菢锟�(bi锟斤拷o)锟斤拷锟斤拷锟斤拷锟叫凤拷锟斤拷锟揭傦拷規(gu锟斤拷)锟斤拷锟斤拷锟斤拷電荷讹拷锟斤拷锟狡動的凤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟�; 注锟斤拷锟斤拷锟皆达拷獠�锟斤拷锟斤拷锟斤拷锟斤拷源锟斤拷锟斤拷锟絆锟斤拷锟斤拷負锟絆;锟斤拷锟皆达拷膬锟�(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟截擄拷O锟斤拷锟斤拷锟斤拷锟絆; 3锟斤拷锟斤拷锟斤拷拇锟斤拷锟斤拷锟酵�锟絕锟斤拷(d锟斤拷o)锟絯锟組锟斤拷锟斤拷锟诫姾锟斤拷锟絈锟斤拷通锟絕锟紷些锟斤拷锟斤拷锟斤拷脮r锟絞t锟侥憋拷值锟斤拷锟斤拷锟絀锟斤拷示;(1)锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟絖式锟斤拷I=Q/t;(2)锟斤拷锟斤拷膰锟斤拷H锟斤拷位锟斤拷锟斤拷锟斤拷A (3)锟斤拷锟矫嗭拷位锟斤拷锟斤拷锟斤拷mA锟斤拷微锟斤拷uA;(4)1A=103mA=106uA

锟斤拷锟斤拷锟斤拷锟斤拷锟絎姆锟斤拷锟缴ｏ拷锟斤拷(d锟斤拷o)锟絯锟叫碉拷锟斤拷锟斤拷锟斤拷锟�(d锟斤拷o)锟絯锟缴端碉拷電夛拷U锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷o)锟絯锟斤拷锟斤拷锟絉锟缴凤拷锟斤拷; 1锟斤拷锟斤拷锟絰式锟斤拷I=U/R; 2锟斤拷锟斤拷論锟斤拷R=U/I; 3锟斤拷锟斤拷锟侥囷拷锟紿锟斤拷位锟絩锟絎姆锟斤拷锟斤拷Ω锟斤拷示; 1kΩ=103Ω,1MΩ=106Ω; 4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絔锟斤拷锟铰凤拷锟�锟斤拷锟皆�锟斤拷锟斤拷(d锟斤拷o)锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷I锟組锟斤拷; 1锟斤拷電動勢ｏ拷锟皆达拷锟诫妱觿莸锟斤拷锟斤拷源锟絔锟斤拷锟斤拷锟铰凤拷r锟缴極锟絞锟斤拷電夛拷;锟斤拷E锟斤拷示; 2锟斤拷锟斤拷锟铰凤拷锟斤拷源锟解部锟斤拷锟铰凤拷锟斤拷锟斤拷路;锟斤拷锟铰凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷;锟斤拷R锟斤拷示;锟斤拷啥锟诫妷锟斤拷锟斤拷锟诫妷锟�; 3锟斤拷锟斤拷(n锟斤拷i)锟铰凤拷锟斤拷源锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟铰凤拷袃锟�(n锟斤拷i)锟斤拷锟�锟斤拷锟斤拷(n锟斤拷i)锟絚路锟斤拷锟斤拷锟叫冿拷(n锟斤拷i)锟斤拷锟�;锟斤拷r锟斤拷示;锟斤拷啥锟诫妷锟斤拷袃锟�(n锟斤拷i)電夛拷;锟界：锟絣(f锟斤拷)電機锟侥撅拷圈锟斤拷锟斤拷電池冿拷(n锟斤拷i)锟斤拷锟斤拷液锟角冿拷(n锟斤拷i)锟铰凤拷锟斤拷锟斤拷锟斤拷锟角冿拷(n锟斤拷i)锟斤拷锟�; 4锟斤拷锟皆达拷锟诫妱觿莸锟斤拷趦锟�(n锟斤拷i)锟斤拷锟斤拷電夛拷之锟斤拷; E=U锟斤拷(n锟斤拷i)+U锟斤拷;U锟斤拷=RI;E=(R+r)I

锟斤拷锟斤拷锟斤拷锟斤拷锟絔锟斤拷锟铰凤拷臍W姆锟斤拷锟缴ｏ拷锟絔锟斤拷锟铰凤拷锟斤拷锟斤拷锟斤拷锟斤拷源锟斤拷電動勢筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟铰凤拷锟斤拷锟斤拷之锟酵成凤拷锟斤拷; 1锟斤拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟絖式锟斤拷I=E/(R+r) 2锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟铰凤拷锟斤拷_锟絩锟斤拷锟斤拷锟斤拷锟給锟紽锟斤拷锟斤拷锟皆措妱觿莸锟斤拷锟铰凤拷锟诫妷锟�;锟斤拷锟斤拷锟皆措妱觿莸亩锟斤拷x; 3锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷(锟斤拷路)锟絩锟斤拷锟斤拷锟�(n锟斤拷i)锟斤拷锟叫�锟斤拷锟斤拷锟斤拷艽锟�锟斤拷锟斤拷锟斤拷锟斤拷锟铰�;

锟斤拷锟斤拷锟斤拷锟斤拷锟诫導(d锟斤拷o)锟絯锟斤拷锟斤拷(d锟斤拷o)锟斤拷锟斤拷锟斤拷趯锟�(d锟斤拷o)锟絯锟酵絕锟斤拷锟絯之锟絞;锟诫導(d锟斤拷o)锟絯锟斤拷锟斤拷锟斤拷S锟斤拷锟斤拷越锟竭讹拷锟絧小; 锟斤拷锟斤拷锟斤拷(d锟斤拷o)锟絯锟斤拷锟斤拷锟斤拷S锟截度碉拷锟斤拷锟竭讹拷锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷ng)锟截度斤拷锟酵碉拷某一值锟絩锟斤拷锟斤拷锟绞�锟斤拷锟缴為超锟斤拷(d锟斤拷o)锟斤拷

锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

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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