锟竭讹拷锟斤拷锟斤拷锟斤拷末锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷要知锟絉(sh锟斤拷)锟絚(di锟斤拷n)锟絉锟斤拷
2023-05-23 17:56:14锟絎(w锟斤拷ng)锟絡(lu锟斤拷)锟結源
锟斤拷锟斤拷一锟斤拷锟給電堬拷(ch锟斤拷ng)
锟斤拷锟斤拷1.锟缴種電猴拷锟斤拷電猴拷锟截恒定锟斤拷锟斤拷元電荷ｏ拷锟斤拷e锟斤拷1.60×10-19C锟斤拷锟斤拷锟斤拷锟斤拷w電猴拷锟斤拷锟斤拷锟斤拷元電荷碉拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷
锟斤拷锟斤拷2.锟斤拷(k锟斤拷)锟斤拷锟斤拷锟缴ｏ拷F锟斤拷kQ1Q2/r2锟斤拷锟斤拷锟斤拷锟斤拷校锟斤拷锟紽:锟絚(di锟斤拷n)電猴拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷N锟斤拷锟斤拷k:锟給電ｏ拷9.0×109Nm2/C2锟斤拷Q1锟斤拷Q2:锟斤拷锟絚(di锟斤拷n)電荷的ｏ拷C锟斤拷锟斤拷r:锟斤拷锟絚(di锟斤拷n)電猴拷锟絞锟侥撅拷锟絰锟斤拷m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紹锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟絅電荷伙拷锟斤拷锟脚斥，锟斤拷锟絅電荷伙拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷3.電堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟饺ｏ拷E锟斤拷F/q锟斤拷锟斤拷锟絰式锟斤拷計(j锟斤拷)锟斤拷式锟斤拷锟斤拷E:電堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟饺ｏ拷N/C锟斤拷锟斤拷锟斤拷矢锟斤拷锟斤拷電堬拷(ch锟斤拷ng)锟侥疊锟斤拷原锟斤拷锟斤拷锟斤拷q:锟絲锟�(y锟斤拷n)電荷碉拷锟斤拷锟斤拷锟紺锟斤拷锟斤拷
锟斤拷锟斤拷4.锟斤拷锟斤拷c(di锟斤拷n)锟斤拷源锟斤拷電猴拷锟轿成碉拷電堬拷(ch锟斤拷ng)E锟斤拷kQ/r2锟斤拷r:源電荷碉拷該位锟矫的撅拷锟絰锟斤拷m锟斤拷锟斤拷Q:源電荷碉拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷5.锟斤拷(qi锟斤拷ng)電堬拷(ch锟斤拷ng)锟侥堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)E锟斤拷UAB/d锟斤拷UAB:AB锟斤拷锟絚(di锟斤拷n)锟絞锟斤拷電夛拷锟斤拷V锟斤拷锟斤拷d:AB锟斤拷锟絚(di锟斤拷n)锟节堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷木锟斤拷x锟斤拷m锟斤拷锟斤拷
锟斤拷锟斤拷6.電堬拷(ch锟斤拷ng)锟斤拷锟斤拷F锟斤拷qE锟斤拷F:電堬拷(ch锟斤拷ng)锟斤拷锟斤拷N锟斤拷锟斤拷q:锟杰碉拷電堬拷(ch锟斤拷ng)锟斤拷锟斤拷電荷碉拷锟斤拷锟斤拷锟紺锟斤拷锟斤拷E:電堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟饺ｏ拷N/C锟斤拷锟斤拷
锟斤拷锟斤拷7.電勶拷(sh锟斤拷)锟絚電勶拷(sh锟斤拷)锟筋：UAB锟斤拷φA-φB锟斤拷UAB锟斤拷WAB/q锟斤拷-ΔEAB/q
锟斤拷锟斤拷8.電堬拷(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷WAB锟斤拷qUAB锟斤拷Eqd锟斤拷WAB:锟斤拷锟斤拷w锟斤拷A锟斤拷B锟絩(sh锟斤拷)電堬拷(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟侥癸拷锟斤拷J锟斤拷锟斤拷q:锟斤拷锟斤拷锟斤拷锟紺锟斤拷锟斤拷UAB:電堬拷(ch锟斤拷ng)锟斤拷A锟斤拷B锟斤拷锟絚(di锟斤拷n)锟絞锟斤拷電勶拷(sh锟斤拷)锟筋（V锟斤拷锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟絚路锟斤拷锟給(w锟斤拷)锟絇(gu锟斤拷n)锟斤拷锟斤拷E:锟斤拷(qi锟斤拷ng)電堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷d:锟斤拷锟絚(di锟斤拷n)锟截堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷木锟斤拷x锟斤拷m锟斤拷锟斤拷
锟斤拷锟斤拷9.電勶拷(sh锟斤拷)锟杰ｏ拷EA锟斤拷qφA锟斤拷EA:锟斤拷锟斤拷w锟斤拷A锟絚(di锟斤拷n)锟斤拷電勶拷(sh锟斤拷)锟杰ｏ拷J锟斤拷锟斤拷q:锟斤拷锟斤拷锟紺锟斤拷锟斤拷φA:A锟絚(di锟斤拷n)锟斤拷電勶拷(sh锟斤拷)锟斤拷V锟斤拷锟斤拷
锟斤拷锟斤拷10.電勶拷(sh锟斤拷)锟杰碉拷變锟斤拷ΔEAB锟斤拷EB-EA锟斤拷锟斤拷锟斤拷w锟斤拷電堬拷(ch锟斤拷ng)锟叫忥拷A位锟矫碉拷B位锟矫時(sh锟斤拷)電勶拷(sh锟斤拷)锟杰的诧拷值锟斤拷
锟斤拷锟斤拷11.電堬拷(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟絚電勶拷(sh锟斤拷)锟斤拷變锟斤拷ΔEAB锟斤拷-WAB锟斤拷-qUAB锟斤拷電勶拷(sh锟斤拷)锟杰碉拷锟斤拷锟斤拷锟斤拷锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷負(f锟斤拷)值锟斤拷
锟斤拷锟斤拷12.锟斤拷锟紺锟斤拷Q/U锟斤拷锟斤拷锟絰式锟斤拷計(j锟斤拷)锟斤拷式锟斤拷锟斤拷C:锟斤拷荩锟紽锟斤拷锟斤拷Q:锟斤拷锟斤拷锟紺锟斤拷锟斤拷U:電夛拷锟斤拷锟缴極锟斤拷電勶拷(sh锟斤拷)锟筋）锟斤拷V锟斤拷锟斤拷
锟斤拷锟斤拷13.平锟叫帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷C锟斤拷εS/4πkd锟斤拷S:锟缴極锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷e锟斤拷d:锟缴極锟斤拷锟絞锟侥达拷直锟斤拷锟絰锟斤拷ω锟斤拷锟斤拷電筹拷锟斤拷(sh锟斤拷)锟斤拷
锟斤拷锟斤拷锟斤拷見锟斤拷锟斤拷锟斤拷锟揭婏拷诙锟斤拷锟�(c锟斤拷)P111锟斤拷
锟斤拷锟斤拷14.锟斤拷锟斤拷锟斤拷锟斤拷锟诫妶锟�(ch锟斤拷ng)锟叫的硷拷锟劫ｏ拷Vo锟斤拷0锟斤拷锟斤拷W锟斤拷ΔEK锟斤拷qU锟斤拷mVt2/2锟斤拷Vt锟斤拷锟斤拷2qU/m锟斤拷1/2
锟斤拷锟斤拷15.锟斤拷锟斤拷锟斤拷锟斤拷卮锟街彪妶锟�(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟劫讹拷Vo锟組(j锟斤拷n)锟斤拷锟�(qi锟斤拷ng)電堬拷(ch锟斤拷ng)锟絩(sh锟斤拷)锟斤拷偏锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟斤拷锟絔锟斤拷锟斤拷锟斤拷锟矫碉拷锟斤拷r锟铰ｏ拷
锟斤拷锟斤拷锟狡斤拷锟街彪妶锟�(ch锟斤拷ng)锟斤拷锟津：勶拷锟斤拷直锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)L锟斤拷Vot锟斤拷锟节庯拷锟斤拷锟斤拷锟斤拷锟絅電荷碉拷平锟叫極锟斤拷锟叫ｏ拷E锟斤拷U/d锟斤拷
锟斤拷锟斤拷锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)平锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟津：筹拷锟劫度烇拷锟斤拷膭锟斤拷锟斤拷直锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)d锟斤拷at2/2锟斤拷a锟斤拷F/m锟斤拷qE/m
锟斤拷锟斤拷注锟斤拷
锟斤拷锟�锟斤拷锟�1锟斤拷锟缴傦拷(g锟斤拷)锟斤拷全锟斤拷同锟侥庯拷電斤拷锟斤拷小锟斤拷锟斤拷|锟絩(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟揭�(gu锟斤拷)锟缴ｏ拷原锟斤拷锟斤拷锟絅電荷碉拷锟斤拷锟叫和猴拷平锟斤拷锟斤拷原锟斤拷同锟絅電荷的匡拷锟斤拷平锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷2锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷電荷筹拷锟絣(f锟斤拷)锟終止锟斤拷負(f锟斤拷)電猴拷锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟斤拷锟洁交锟斤拷锟叫撅拷锟斤拷锟斤拷?y锟斤拷n)锟�?ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟斤拷處锟斤拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟斤拷锟诫妶锟�(ch锟斤拷ng)锟斤拷電勶拷(sh锟斤拷)越锟斤拷(l锟斤拷i)越锟酵ｏ拷電堬拷(ch锟斤拷ng)锟斤拷锟絚锟饺勶拷(sh锟斤拷)锟斤拷锟斤拷直锟斤拷
锟斤拷锟�锟斤拷锟�3锟斤拷锟斤拷見電堬拷(ch锟斤拷ng)锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟街诧拷要锟斤拷锟斤拷記锟斤拷見锟紻[锟节讹拷锟斤拷(c锟斤拷)P98]锟斤拷
锟斤拷锟�锟斤拷锟�4锟斤拷電堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟饺ｏ拷矢锟斤拷锟斤拷锟絚電勶拷(sh锟斤拷)锟斤拷锟斤拷(bi锟斤拷o)锟斤拷锟斤拷锟斤拷锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟斤拷Q锟斤拷锟斤拷锟斤拷電堬拷(ch锟斤拷ng)锟斤拷锟絚電勶拷(sh锟斤拷)锟斤拷還锟絚锟斤拷锟斤拷w锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷俸锟诫姾锟斤拷锟截�(f锟斤拷)锟斤拷锟絇(gu锟斤拷n)锟斤拷
锟斤拷锟�锟斤拷锟�5锟斤拷處锟斤拷锟給锟狡斤拷鈱�(d锟斤拷o)锟絯锟角傦拷(g锟斤拷)锟饺勶拷(sh锟斤拷)锟絯锟斤拷锟斤拷锟斤拷锟角傦拷(g锟斤拷)锟饺勶拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷(d锟斤拷o)锟絯锟斤拷锟斤拷娓斤拷锟斤拷锟诫妶锟�(ch锟斤拷ng)锟斤拷锟斤拷直锟节岋拷(d锟斤拷o)锟絯锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷o)锟絯锟斤拷(n锟斤拷i)锟斤拷锟较堬拷(ch锟斤拷ng)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷o)锟絯锟斤拷(n锟斤拷i)锟斤拷锟絔锟叫冿拷電猴拷锟斤拷锟斤拷電猴拷只锟街诧拷锟节岋拷(d锟斤拷o)锟絯锟斤拷锟斤拷锟�锟斤拷
锟斤拷锟�锟斤拷锟�6锟斤拷锟斤拷輪锟轿伙拷Q锟姐：1F锟斤拷106μF锟斤拷1012PF锟斤拷
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锟斤拷锟斤拷1.锟斤拷锟斤拷锟�(qi锟斤拷ng)锟饺ｏ拷I锟斤拷q/t锟斤拷I:锟斤拷锟斤拷锟�(qi锟斤拷ng)锟饺ｏ拷A锟斤拷锟斤拷q:锟节時(sh锟斤拷)锟絞t锟斤拷(n锟斤拷i)通锟絕(gu锟斤拷)锟斤拷(d锟斤拷o)锟絯锟組锟絛锟斤拷锟斤拷锟斤拷锟斤拷C锟斤拷锟斤拷t:锟絩(sh锟斤拷)锟絞锟斤拷s锟斤拷锟斤拷
锟斤拷锟斤拷2.锟絎姆锟斤拷锟缴ｏ拷I锟斤拷U/R锟斤拷I:锟斤拷(d锟斤拷o)锟絯锟斤拷锟斤拷锟�(qi锟斤拷ng)锟饺ｏ拷A锟斤拷锟斤拷U:锟斤拷(d锟斤拷o)锟絯锟缴讹拷電夛拷锟斤拷V锟斤拷锟斤拷R:锟斤拷(d锟斤拷o)锟絯锟斤拷值锟斤拷Ω锟斤拷锟斤拷
锟斤拷锟斤拷3.锟斤拷琛拷锟借定锟缴ｏ拷R锟斤拷ρL/S锟斤拷ρ锟斤拷锟斤拷瑁�Ω/m锟斤拷锟斤拷L:锟斤拷(d锟斤拷o)锟絯锟斤拷锟絃(zh锟斤拷ng)锟饺ｏ拷m锟斤拷锟斤拷S:锟斤拷(d锟斤拷o)锟絯锟組锟斤拷锟斤拷e锟斤拷m2锟斤拷锟斤拷
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锟斤拷锟斤拷5.電癸拷锟絚電癸拷锟绞ｏ拷W锟斤拷UIt锟斤拷P锟斤拷UI锟斤拷W:電癸拷锟斤拷J锟斤拷锟斤拷U:電夛拷锟斤拷V锟斤拷锟斤拷I:锟斤拷锟斤拷锟紸锟斤拷锟斤拷t:锟絩(sh锟斤拷)锟絞锟斤拷s锟斤拷锟斤拷P:電癸拷锟绞ｏ拷W锟斤拷锟斤拷
锟斤拷锟斤拷6.锟斤拷锟斤拷锟斤拷锟缴ｏ拷Q锟斤拷I2Rt锟斤拷Q:電熱（J锟斤拷锟斤拷I:通锟絕(gu锟斤拷)锟斤拷(d锟斤拷o)锟絯锟斤拷锟斤拷锟斤拷锟紸锟斤拷锟斤拷R:锟斤拷(d锟斤拷o)锟絯锟斤拷锟斤拷锟街碉拷锟�Ω锟斤拷锟斤拷t:通電時(sh锟斤拷)锟絞锟斤拷s锟斤拷锟斤拷
锟斤拷锟斤拷7.锟斤拷锟斤拷锟斤拷路锟叫ｏ拷锟斤拷锟斤拷I锟斤拷U/R锟斤拷W锟斤拷Q锟斤拷锟斤拷锟斤拷锟斤拷W锟斤拷Q锟斤拷UIt锟斤拷I2Rt锟斤拷U2t/R
锟斤拷锟斤拷8.锟皆达拷锟斤拷锟�(d锟斤拷ng)锟绞★拷锟皆摧旓拷锟斤拷锟斤拷锟�锟斤拷锟皆葱э拷剩锟絇锟斤拷锟斤拷IE锟斤拷P锟斤拷锟斤拷IU锟斤拷η锟斤拷P锟斤拷/P锟斤拷锟斤拷I:锟铰凤拷锟斤拷锟斤拷锟斤拷A锟斤拷锟斤拷E:锟皆措妱锟�(d锟斤拷ng)锟斤拷(sh锟斤拷)锟斤拷V锟斤拷锟斤拷U:路锟斤拷電夛拷锟斤拷V锟斤拷锟斤拷η锟斤拷锟皆葱э拷剩锟�
锟斤拷锟斤拷9.锟铰凤拷拇锟�/锟斤拷聯(li锟斤拷n)锟斤拷聯(li锟斤拷n)锟铰凤拷锟絇锟斤拷U锟絚R锟斤拷锟斤拷锟饺ｏ拷锟斤拷聯(li锟斤拷n)锟铰凤拷锟絇锟斤拷I锟絚R锟缴凤拷锟饺ｏ拷
锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)系锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷R锟斤拷锟斤拷R1+R2+R3+1/R锟斤拷锟斤拷1/R1+1/R2+1/R3+
锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)系I锟斤拷锟斤拷I1锟斤拷I2锟斤拷I3I锟斤拷锟斤拷I1+I2+I3+
锟斤拷锟斤拷電夛拷锟絇(gu锟斤拷n)系U锟斤拷锟斤拷U1+U2+U3+U锟斤拷锟斤拷U1锟斤拷U2锟斤拷U3
锟斤拷锟斤拷锟斤拷锟绞凤拷锟斤拷P锟斤拷锟斤拷P1+P2+P3+P锟斤拷锟斤拷P1+P2+P3+
锟斤拷锟斤拷10.锟絎姆锟斤拷y(c锟斤拷)锟斤拷锟�
锟斤拷锟�锟斤拷锟�1锟斤拷锟铰凤拷M锟缴ｏ拷2锟斤拷锟統(c锟斤拷)锟斤拷原锟斤拷
锟斤拷锟斤拷锟缴憋拷锟絇锟教接猴拷锟斤拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)Ro使電憋拷指針滿偏锟斤拷锟斤拷
锟斤拷锟斤拷Ig锟斤拷E/锟斤拷r+Rg+Ro锟斤拷
锟斤拷锟斤拷锟斤拷锟诫被锟統(c锟斤拷)锟斤拷锟絉x锟斤拷通锟絕(gu锟斤拷)電憋拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷Ix锟斤拷E/锟斤拷r+Rg+Ro+Rx锟斤拷锟斤拷E/锟斤拷R锟斤拷+Rx锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷Ix锟絚Rx锟斤拷(du锟斤拷)锟斤拷(y锟斤拷ng)锟斤拷锟斤拷丝锟街甘撅拷锟斤拷y(c锟斤拷)锟斤拷锟斤拷小
锟斤拷锟�锟斤拷锟�3锟斤拷使锟矫凤拷锟斤拷锟斤拷锟紺(j锟斤拷)械锟絳(di锟斤拷o)锟斤拷锟斤拷锟絰锟斤拷锟斤拷锟教★拷锟絎姆锟絳(di锟斤拷o)锟斤拷锟斤拷锟統(c锟斤拷)锟斤拷锟絰锟斤拷(sh锟斤拷)锟斤拷注锟斤拷锟轿伙拷锟斤拷锟斤拷剩锟斤拷锟斤拷锟斤拷锟給ff锟斤拷锟斤拷
锟斤拷锟�锟斤拷锟�4锟斤拷注锟解：锟統(c锟斤拷)锟斤拷锟斤拷锟絩(sh锟斤拷)锟斤拷要锟絚原锟铰凤拷锟斤拷_锟斤拷锟絰锟斤拷锟斤拷锟斤拷使指锟斤拷锟斤拷锟斤拷敫斤拷锟�锟斤拷每锟轿換锟斤拷要锟斤拷锟铰短接歐姆锟絳(di锟斤拷o)锟姐。
锟斤拷锟斤拷11.锟斤拷锟斤拷锟斤拷锟統(c锟斤拷)锟斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟接凤拷锟斤拷電夛拷锟斤拷示锟斤拷(sh锟斤拷)锟斤拷U锟斤拷UR+UA
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接凤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟�(sh锟斤拷)锟斤拷I锟斤拷IR+IV
锟斤拷锟斤拷Rx锟侥測(c锟斤拷)锟斤拷值锟斤拷U/I锟斤拷锟斤拷UA+UR锟斤拷/IR锟斤拷RA+Rx>R锟斤拷锟斤拷
锟斤拷锟斤拷Rx锟侥測(c锟斤拷)锟斤拷值锟斤拷U/I锟斤拷UR/锟斤拷IR+IV锟斤拷锟斤拷RVRx(RV+R)<R锟斤拷
锟斤拷锟斤拷锟絰锟斤拷锟铰凤拷l锟斤拷Rx>RA[锟斤拷Rx>锟斤拷RARV锟斤拷1/2]
锟斤拷锟斤拷锟絰锟斤拷锟铰凤拷l锟斤拷Rx<RV[锟斤拷Rx<锟斤拷RARV锟斤拷1/2]
锟斤拷锟斤拷12.锟斤拷锟斤拷(d锟斤拷ng)變锟斤拷锟斤拷锟斤拷锟铰凤拷械锟斤拷锟斤拷锟斤拷臃锟斤拷c锟街夛拷锟接凤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟接凤拷:電夛拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟斤拷锟斤拷小锟斤拷锟铰凤拷锟�(ji锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷小
锟斤拷锟斤拷锟斤拷锟斤拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)電夛拷锟斤拷锟絰锟斤拷l锟斤拷Rp>Rx
锟斤拷锟斤拷電夛拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟铰凤拷锟�(f锟斤拷)锟絪锟斤拷锟斤拷锟斤拷锟絕锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟絳(di锟斤拷o)锟斤拷(ji锟斤拷)電夛拷锟斤拷锟絰锟斤拷l锟斤拷Rp<Rx
锟斤拷锟斤拷注锟斤拷
锟斤拷锟�锟斤拷锟�1锟斤拷锟斤拷位锟絈锟姐：1A锟斤拷103mA锟斤拷106μA锟斤拷1kV锟斤拷103V锟斤拷106mA锟斤拷1MΩ锟斤拷103kΩ锟斤拷106Ω
锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟絅锟斤拷锟较碉拷锟斤拷锟斤拷识锟斤拷S锟截度碉拷變锟斤拷锟斤拷變锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷S锟截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�3锟斤拷锟斤拷聯(li锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟轿猴拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷锟�锟斤拷锟斤拷聯(li锟斤拷n)锟斤拷锟斤拷锟叫★拷锟斤拷魏锟揭伙拷锟�(g锟斤拷)锟斤拷锟斤拷锟�锟斤拷
锟斤拷锟斤拷锟斤拷4锟斤拷锟斤拷(d锟斤拷ng)锟皆达拷袃锟�(n锟斤拷i)锟斤拷r(sh锟斤拷)锟斤拷锟斤拷锟铰凤拷锟斤拷锟斤拷锟斤拷r(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷p小锟斤拷路锟斤拷電夛拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷5锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟铰凤拷锟斤拷锟斤拷锟斤拷源锟斤拷锟絩(sh锟斤拷)锟斤拷锟皆摧旓拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿時(sh锟斤拷)锟斤拷輸锟斤拷锟斤拷锟绞烇拷E2/锟斤拷2r锟斤拷锟斤拷
锟斤拷锟�锟斤拷锟�6锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷(n锟斤拷i)锟捷ｏ拷锟斤拷锟斤拷锟斤拷c锟截度碉拷锟絇(gu锟斤拷n)系锟诫導(d锟斤拷o)锟絯锟斤拷锟戒應(y锟斤拷ng)锟矫筹拷锟斤拷(d锟斤拷o)锟斤拷锟戒應(y锟斤拷ng)锟矫★拷見锟节讹拷锟斤拷(c锟斤拷)P127锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟脚堬拷(ch锟斤拷ng)
锟斤拷锟斤拷1.锟脚感戯拷(y锟斤拷ng)锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟矫侊拷(l锟斤拷i)锟斤拷示锟脚堬拷(ch锟斤拷ng)锟侥忥拷(qi锟斤拷ng)锟斤拷锟酵凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞革拷锟�锟斤拷锟斤拷位T锟斤拷锟斤拷1T锟斤拷1N/Am
锟斤拷锟斤拷2.锟斤拷锟斤拷锟斤拷F锟斤拷BIL锟斤拷锟斤拷注锟斤拷L⊥B锟斤拷{B:锟脚感戯拷(y锟斤拷ng)锟斤拷(qi锟斤拷ng)锟饺ｏ拷T锟斤拷锟斤拷F(xi锟斤拷n):锟斤拷锟斤拷锟斤拷锟斤拷F锟斤拷锟斤拷I:锟斤拷锟斤拷锟�(qi锟斤拷ng)锟饺ｏ拷A锟斤拷锟斤拷L:锟斤拷(d锟斤拷o)锟斤拷锟絃(zh锟斤拷ng)锟饺ｏ拷m锟斤拷}
锟斤拷锟斤拷3.锟斤拷锟狡濓拷锟絝锟斤拷qVB锟斤拷注V⊥B锟斤拷锟斤拷锟絴(zh锟斤拷)锟絍锟絰锟斤拷見锟节讹拷锟斤拷(c锟斤拷)P155锟斤拷锟斤拷f:锟斤拷锟狡濓拷锟斤拷锟絅锟斤拷锟斤拷q:锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷C锟斤拷锟斤拷V:锟斤拷锟斤拷锟斤拷锟斤拷俣龋锟絤/s锟斤拷锟斤拷
锟斤拷锟斤拷4.锟斤拷锟斤拷锟斤拷锟斤拷锟皆诧拷計(j锟斤拷)锟斤拷锟斤拷锟斤拷锟絔锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷r锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷M(j锟斤拷n)锟斤拷艌锟�(ch锟斤拷ng)锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷r锟斤拷锟斤拷锟秸兩種锟斤拷锟斤拷
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锟狡斤拷写艌锟�(ch锟斤拷ng)锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷艌锟�(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟狡濓拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)V锟斤拷V0
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卮锟街憋拷艌锟�(ch锟斤拷ng)锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷艌锟�(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟劫圓锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟斤拷a锟斤拷F锟斤拷f锟藉＝mV2/r锟斤拷mω2r锟斤拷mr锟斤拷2π/T锟斤拷2锟斤拷qVB锟斤拷r锟斤拷mV/qB锟斤拷T锟斤拷2πm/qB锟斤拷锟斤拷b锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟絚锟紸锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟侥半徑锟酵撅拷锟劫度無(w锟斤拷)锟絇(gu锟斤拷n)锟斤拷锟斤拷锟狡濓拷锟斤拷锟�(du锟斤拷)锟斤拷锟斤拷锟斤拷硬锟斤拷锟斤拷锟斤拷锟斤拷魏锟斤拷锟絩锟铰ｏ拷锟斤拷锟斤拷c锟斤拷锟斤拷锟絵锟絇(gu锟斤拷n)锟絀锟斤拷锟斤拷軌锟紼锟斤拷锟揭圓锟斤拷锟斤拷锟斤拷锟诫徑锟斤拷锟紸锟侥角ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫角ｏ拷锟斤拷
锟斤拷锟斤拷注锟斤拷
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锟斤拷锟狡濓拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街讹拷锟絫锟叫讹拷锟斤拷只锟斤拷锟斤拷锟狡濓拷锟揭拷鈳э拷锟斤拷锟接碉拷锟斤拷負(f锟斤拷)锟斤拷
锟斤拷锟�锟斤拷锟�2锟斤拷锟脚感撅拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟戒常見锟脚堬拷(ch锟斤拷ng)锟侥磁感撅拷锟街诧拷要锟斤拷锟秸★拷見锟紻锟斤拷锟节讹拷锟斤拷(c锟斤拷)P144锟斤拷锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷(n锟斤拷i)锟捷ｏ拷锟截磁堬拷(ch锟斤拷ng)/锟斤拷锟绞诫姳锟皆拷锟斤拷锟揭婏拷诙锟斤拷锟�(c锟斤拷)P150锟斤拷/锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷見锟节讹拷锟斤拷(c锟斤拷)P156锟斤拷/锟斤拷锟皆诧拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷電磁感戯拷(y锟斤拷ng)
锟斤拷锟斤拷1.[锟叫戯拷(y锟斤拷ng)電勶拷(d锟斤拷ng)锟斤拷(sh锟斤拷)锟侥达拷小計(j锟斤拷)锟姐公式]
锟斤拷锟斤拷1锟斤拷E锟斤拷nΔΦ/Δt锟斤拷锟斤拷锟絤锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷電磁感戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷E:锟叫戯拷(y锟斤拷ng)電勶拷(d锟斤拷ng)锟斤拷(sh锟斤拷)锟斤拷V锟斤拷锟斤拷n:锟叫戯拷(y锟斤拷ng)锟斤拷圈锟窖旓拷(sh锟斤拷)锟斤拷ΔΦ/Δt:锟斤拷通锟斤拷锟斤拷變锟斤拷锟绞ｏ拷
锟斤拷锟斤拷2锟斤拷E锟斤拷BLV锟斤拷锟斤拷锟叫革拷鸥芯锟斤拷\(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷锟斤拷L:锟斤拷效锟絃(zh锟斤拷ng)锟饺ｏ拷m锟斤拷锟斤拷
锟斤拷锟斤拷3锟斤拷Em锟斤拷nBSω锟斤拷锟斤拷锟斤拷锟絣(f锟斤拷)電機(j锟斤拷)锟斤拷锟侥感戯拷(y锟斤拷ng)電勶拷(d锟斤拷ng)锟斤拷(sh锟斤拷)锟斤拷锟斤拷Em:锟叫戯拷(y锟斤拷ng)電勶拷(d锟斤拷ng)锟斤拷(sh锟斤拷)锟斤拷值锟斤拷
锟斤拷锟斤拷4锟斤拷E锟斤拷BL2ω/2锟斤拷锟斤拷(d锟斤拷o)锟絯一锟剿固讹拷锟斤拷ω锟斤拷锟紻(zhu锟斤拷n)锟叫割）锟斤拷ω锟斤拷锟斤拷锟劫度ｏ拷rad/s锟斤拷锟斤拷V:锟劫度ｏ拷m/s锟斤拷锟斤拷
锟斤拷锟斤拷2.锟斤拷通锟斤拷Φ锟斤拷BS{Φ锟斤拷锟斤拷通锟斤拷锟斤拷Wb锟斤拷锟斤拷B:锟斤拷(qi锟斤拷ng)锟脚堬拷(ch锟斤拷ng)锟侥磁感戯拷(y锟斤拷ng)锟斤拷(qi锟斤拷ng)锟饺ｏ拷T锟斤拷锟斤拷S:锟斤拷锟斤拷(du锟斤拷)锟斤拷e锟斤拷m2锟斤拷}
锟斤拷锟斤拷3.锟叫戯拷(y锟斤拷ng)電勶拷(d锟斤拷ng)锟斤拷(sh锟斤拷)锟斤拷锟斤拷負(f锟斤拷)锟絆锟斤拷锟斤拷锟矫感戯拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷卸锟斤拷锟斤拷源锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截�(f锟斤拷)锟絆锟斤拷锟斤拷锟斤拷锟絆锟斤拷
锟斤拷锟斤拷4.锟皆革拷電勶拷(d锟斤拷ng)锟斤拷(sh锟斤拷)E锟皆ｏ拷nΔΦ/Δt锟斤拷LΔI/Δt锟斤拷L:锟皆革拷系锟斤拷(sh锟斤拷)锟斤拷H锟斤拷锟斤拷锟斤拷圈L锟斤拷锟紽芯锟饺無(w锟斤拷)锟紽芯锟絩(sh锟斤拷)要锟襟）ｏ拷ΔI:變锟斤拷锟斤拷锟�锟斤拷锟斤拷t:锟斤拷锟矫時(sh锟斤拷)锟絞锟斤拷ΔI/Δt:锟皆革拷锟斤拷锟阶冿拷锟斤拷剩锟阶冿拷锟斤拷目锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷注锟斤拷
锟斤拷锟�锟斤拷锟�1锟斤拷锟叫戯拷(y锟斤拷ng)锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷味锟斤拷苫锟斤拷锟斤拷侄锟斤拷t锟叫讹拷锟斤拷锟斤拷味锟斤拷蓱锟�(y锟斤拷ng)锟斤拷要锟絚(di锟斤拷n)锟斤拷見锟节讹拷锟斤拷(c锟斤拷)P173锟斤拷锟斤拷
锟斤拷锟�锟斤拷锟�2锟斤拷锟皆革拷锟斤拷锟斤拷锟斤拷锟斤拷锟終锟斤拷锟斤拷锟皆革拷電勶拷(d锟斤拷ng)锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟阶冿拷锟�锟斤拷锟斤拷3锟斤拷锟斤拷位锟絈锟姐：1H锟斤拷103mH锟斤拷106μH.
锟斤拷锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷(n锟斤拷i)锟捷ｏ拷锟皆感★拷見锟节讹拷锟斤拷(c锟斤拷)P178锟斤拷/锟秸癸拷锟斤拷锟揭婏拷诙锟斤拷锟�(c锟斤拷)P180锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷
锟竭讹拷锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟絉锟斤拷
锟斤拷锟斤拷锟斤拷效锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟絚思锟絊锟斤拷锟斤拷
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)锟戒、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(h锟斤拷o)
