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锟斤拷锟斤拷锟饺猴拷锟斤拷锟街讹拷锟�
锟斤拷锟斤拷锟斤拷平锟秸碉拷学习锟叫ｏ拷锟斤拷锟斤拷知识锟姐，锟斤拷锟斤拷锟斤拷锟秸诧拷锟斤拷说锟缴ｏ拷知识锟斤拷也锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟街ｏ拷锟斤拷学锟斤拷知识锟斤拷锟斤拷硕锟斤拷澹拷锟斤拷锟揭拷墓锟绞揭诧拷锟斤拷锟斤拷锟斤拷锟轿讹拷恪ｏ拷锟斤拷藕芏锟斤拷硕锟斤拷锟轿讹拷惴拷睿拷锟斤拷锟斤拷锟叫★拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺猴拷锟斤拷锟街讹拷悖ｏ拷锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷(1)锟斤拷锟藉：锟斤拷傻亩锟斤拷锟斤拷贫锟斤拷纬傻锟斤拷锟斤拷锟�
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟侥凤拷锟津：规定锟斤拷锟斤拷啥锟斤拷锟斤拷贫锟斤拷姆锟斤拷锟轿拷锟斤拷锟斤拷姆锟斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟铰凤拷械锟斤拷锟斤拷筛叩锟斤拷频锟斤拷锟斤拷锟酵碉拷锟狡点，锟节碉拷源锟斤拷锟节诧拷锟斤拷锟斤拷锟缴低碉拷锟狡碉拷锟斤拷锟斤拷叩锟斤拷频锟�(锟缴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2锟斤拷锟斤拷锟斤拷强锟饺ｏ拷
锟斤拷锟斤拷(1)锟斤拷锟藉：通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟酵拷锟斤拷锟叫╋拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟侥憋拷值锟斤拷I=q/t
锟斤拷锟斤拷(2)锟节癸拷锟绞碉拷位锟斤拷锟叫碉拷锟斤拷锟侥碉拷位锟角帮拷锟斤拷1mA=10-3A锟斤拷1锟斤拷A=10-6A
锟斤拷锟斤拷(3)锟斤拷锟斤拷强锟饺的讹拷锟斤拷式锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵憋拷锟斤拷锟斤拷贫锟斤拷锟絨应为锟斤拷锟斤拷锟斤拷锟接的碉拷锟斤拷锟斤拷汀锟�
锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷(1)锟斤拷锟藉：锟斤拷锟斤拷锟斤拷锟剿的碉拷压锟斤拷通锟斤拷锟斤拷锟斤拷锟叫的碉拷锟斤拷锟侥憋拷值锟叫碉拷锟斤拷牡锟斤拷琛�
锟斤拷锟斤拷(2)锟斤拷锟斤拷式锟斤拷R=U/I锟斤拷锟斤拷位锟斤拷锟斤拷
锟斤拷锟斤拷(3)锟斤拷锟斤拷锟角碉拷锟藉本锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿的碉拷压锟斤拷通锟斤拷锟斤拷锟斤拷锟睫关★拷
锟斤拷锟斤拷4锟斤拷锟斤拷锟借定锟斤拷
锟斤拷锟斤拷(1)锟斤拷锟捷ｏ拷
锟斤拷锟斤拷锟斤拷锟铰度诧拷锟斤拷时锟斤拷锟斤拷锟斤拷牡锟斤拷锟絉锟斤拷锟斤拷锟侥筹拷锟斤拷L锟斤拷锟斤拷锟饺ｏ拷锟斤拷锟斤拷锟侥猴拷锟斤拷锟斤拷S锟缴凤拷锟饺★拷
锟斤拷锟斤拷(2)锟斤拷式锟斤拷R=锟斤拷L/S锟斤拷
锟斤拷锟斤拷(3)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟劫达拷细锟斤拷锟饺的碉拷锟斤拷;
锟斤拷锟斤拷锟斤拷浓锟饺撅拷锟饺的碉拷锟揭猴拷锟�
锟斤拷锟斤拷5锟斤拷锟斤拷锟斤拷锟绞ｏ拷锟斤拷映锟剿诧拷锟较对碉拷锟斤拷锟斤拷锟借碍锟斤拷锟矫★拷
锟斤拷锟斤拷(1)锟斤拷些锟斤拷锟较的碉拷锟斤拷锟斤拷锟斤拷锟铰讹拷锟斤拷锟竭讹拷锟斤拷锟斤拷(锟斤拷锟斤拷锟�);
锟斤拷锟斤拷锟斤拷些锟斤拷锟较的碉拷锟斤拷锟斤拷锟斤拷锟铰讹拷锟斤拷锟竭讹拷锟斤拷小(锟斤拷氲硷拷锟酵撅拷缘锟斤拷);
锟斤拷锟斤拷锟斤拷些锟斤拷锟较的碉拷锟斤拷锟绞硷拷锟斤拷锟斤拷锟斤拷锟铰讹拷影锟斤拷(锟斤拷锟斤拷铜锟酵匡拷铜)锟斤拷
锟斤拷锟斤拷(2)锟诫导锟藉：
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰斤拷锟节碉拷锟斤拷途锟皆碉拷锟街拷洌拷锟斤拷业锟斤拷锟斤拷锟斤拷露鹊锟斤拷锟斤拷佣锟斤拷锟叫★拷锟斤拷锟斤拷植锟斤拷铣锟轿拷氲硷拷澹拷氲硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷裕锟斤拷锟斤拷锟斤拷锟斤拷裕锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷浴锟�
锟斤拷锟斤拷(3)锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟铰度斤拷锟酵碉拷锟斤拷锟斤拷锟斤拷雀锟斤拷锟绞憋拷锟侥承╋拷锟斤拷系牡锟斤拷锟斤拷锟酵蝗伙拷锟叫★拷锟斤拷悖拷锟斤拷锟斤拷锟斤拷锟叫筹拷锟斤拷锟斤拷锟襟，达拷锟斤拷锟斤拷锟斤拷状态锟斤拷锟斤拷锟斤拷谐锟斤拷锟斤拷濉�
锟斤拷锟斤拷6锟斤拷锟界功锟酵碉拷锟斤拷
锟斤拷锟斤拷(1)锟界功锟酵电功锟绞ｏ拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟角电场锟斤拷锟皆碉拷锟斤拷锟斤拷锟斤拷锟斤拷绯★拷锟斤拷缘锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷傻牡锟斤拷锟斤拷芗锟斤拷伲锟斤拷锟斤拷锟斤拷锟阶拷锟轿拷锟斤拷锟斤拷锟绞斤拷锟斤拷堋锟斤拷锟剿电功W=qU=UIt锟斤拷锟斤拷锟角硷拷锟斤拷绻︼拷毡锟斤拷锟斤拷玫墓锟绞斤拷锟�
锟斤拷锟斤拷锟斤拷位时锟斤拷锟节碉拷锟斤拷锟斤拷锟侥癸拷锟叫电功锟绞ｏ拷P=W/t=UI锟斤拷锟斤拷锟角硷拷锟斤拷绻︼拷锟斤拷毡锟斤拷锟斤拷玫墓锟绞斤拷锟�
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟斤拷锟缴ｏ拷
锟斤拷锟斤拷Q=I2Rt锟斤拷式锟斤拷Q锟斤拷示锟斤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斤拷锟斤拷锟轿伙拷锟絁锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角对达拷锟斤拷锟斤拷锟铰凤拷锟斤拷嵌苑谴锟斤拷锟斤拷锟斤拷路锟斤拷锟斤拷锟斤拷锟矫的★拷
锟斤拷锟斤拷(3)锟界功锟酵碉拷锟饺的癸拷系
锟斤拷锟斤拷锟劫达拷锟斤拷锟斤拷锟铰凤拷锟斤拷牡牡锟斤拷锟饺拷锟阶拷锟轿拷锟斤拷埽锟斤拷绻︼拷偷锟斤拷锟斤拷锟斤拷锟饺的★拷锟斤拷锟斤拷锟斤拷W=Q锟斤拷UIt=I2Rt锟斤拷U=IR(欧姆锟斤拷锟缴筹拷锟斤拷);
锟斤拷锟斤拷锟节非达拷锟斤拷锟斤拷锟铰凤拷锟斤拷牡牡锟斤拷锟揭伙拷锟斤拷锟阶拷锟轿拷锟斤拷埽锟斤拷锟揭伙拷锟斤拷锟阶拷锟轿拷锟斤拷锟斤拷锟绞斤拷锟斤拷堋锟斤拷锟斤拷锟斤拷锟絎>Q锟斤拷UIt>I2Rt锟斤拷U>IR(欧姆锟斤拷锟缴诧拷锟斤拷锟斤拷)锟斤拷
锟斤拷锟斤拷锟斤拷锟饺猴拷锟斤拷锟街讹拷恪匡拷锟斤拷锟斤拷锟铰ｏ拷
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