2023新高考新教材版物理高考第二轮复习--专题九 恒定电流

《2023新高考新教材版物理高考第二轮复习--专题九 恒定电流》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

2023
ὃᦟᩞ᱐ᱥᳮ
ὃ⚪ឤᵯ1.ᯠ2022ᓭ᪥ὶᙢᳫ⊤☢▬&'ᙠ)*+ᔣ-Ḅᵯ/,ᨒᜩ3ᙠᵯ/4ᵨ-,ᜧ78Ḅ9:;ᔣ-<=ஹ?:;ᔣ@<=,ᵫBCᡂḄEFᵯGHᙢIᵯ■ᙢIᵯKLឤḄ,MN
OPᓄ,ᐰᳫᙢIᵯḄSᵯᜧTH1800A.ᎷV9ஹ?:;ᵯ₹XᙳHe=I.6X10*&ZIJ1s3[ᑁ]^_ᙢ`Hᳫ`ஹabᶍᜧdᙢᳫabḄᳫeḄ:;fᦪhHA.2.0X10'*fB.1.8X10᝞fC.1.1X10"fD.1.6X10*'fkᫀCm3[ᑁno^ᳫeḄᵯ₹XHpq18஺࠷,:;fᦪtuvwxf,ᦑ⌱{|.2.2022~,7OXஹᜩᘤஹ‷Ḅ=Onᐸ᪀᝞ᡠ஺ᐝḄ=3nᐗA¡¢£¤¥¦Ḅᵯ§¨©nᡂHஹª«¬Ḅᑴ®Ḅ¨¯°஺±²AḄ³XHm,´µḄ¶OᦪHkஹᯠ·OH1,ᵯ°Ḅᵯ=¸H_ᑁ¹M஺=P¹ᘤS·ºH1,ᵯ¹ᑖ¼ᙳᒴn☟¿3ᱏPdBÁ,_O3=3,-ᑡÄÅ9ÆḄK
'db©A„-------1o£¤ᵯ§^POfl'1--------BC-h-----6--------sA.ᵯÇ8ᵯNOḄÈᜧÉÈᜧB.ᵯÇ8ᵯNOḄÈᜧÉËTD.£¤ᵯ§UÎ3ḄÏÐ:HÒÓC.´µḄÌ·XHÍkᫀDᱏḄ¡=MÔÕ=P¹ᘤÖᐭᵯÇ8Ḅᵯ¹nᦑᵯÇ8ḄᵯMNOḄPᓄÉPᓄ,ᦑAஹB┯Ù;ᵫÛÜÝÞkx=lx,஺1ᡠ_nᦑC┯Ù:£¤ᵯ§Ißàᐭx-ÓáÞI—ᦑD9Æ஺m+3.2022~âã,2äåTæHçèᵯ§⊤ᦋêᡂXᵯ¹Ḅëᘤ))ìí⊤,VᵯÇ᝞ᡠ,ᵯ§⊤ḄXîH3V,ᐸᑁ¹Rஹ=3k஺nᵯ°Ḅᵯ=¸E=6V,ᙠᵯ§⊤ðñÖ@ðf⊤ònóᦋêᡂçfXᵯ¹Ḅõ᧕ìí⊤n-ᑡᐵdø⊤ḄÄÅ9ÆḄKA.øìí⊤B⊤òHù⊤ò,⊤úûOKᙳᒴḄB.ᵯ§⊤ᢣ┐ᢣᙠ“3.0V”ᜐ,BᜐûO¦᪗
“0”C.ᵯ⊤ᢣ┐ᢣᙠ“2.0V”ᜐḄᵯ3k஺D.⊤ᵨ,ᵯᑁᶍ"#ᜧ,ᵯ%&#'()G⊤=HIJ⁚ᵯ*,ᢣ┐+,-,ᢥ/0ᵨ1234567'ᐸ679:)-ᜧ;ᫀC⊤=ᵯ>⍳@“B4CD”'⊤B⊤=ᵯḄ/᩽,C⊤=,LG⊤=HI,J⁚ᵯ*,Lᐸ
R,ᵯ⊤MN,-.ᓽQᦪ3V,STLUV6ᵯ¥,LG⊤=WX,ᵯ⊤QᦪY'STLUV6ᵯ0,ᦑᵯ⊤ᢣ┐ᢣᙠ“3.0V”ᜐ,Sᜐ᪗
“¥”-ᵫS]^,⊤_`ᙳᒴḄ,AஹB┯e;)ᵯᑁgᡂᵯ*ᵯḄiᑖ,ᵫB⚗ᑖ᪆]m1==op,qmᵯ*Ḅ
R=3kQ,Lᵯ⊤3kHRᢣ┐ᢣᙠ2.0Vᜐ']mr=;rs'ᐸtRu=ឌ_'ὶyqmRஹ=3k஺'ᦑḄᵯ3k஺'C/0;t\KK\frKxz1⚓ᐳ9⚓

1⊤ᵨ,ᵯᑁᶍ"#ᜧ,ᵯ%&#'()G⊤=HIJ⁚ᵯ*'ᢣ┐+,-,9ᔠC⚗ᑖ᪆]^'᪵ᢥ/0ᵨ1234567,ᐸ679:-ᜧᡈ-,D┯e஺4.2022₹,7ẆDḄᵯ'✏ᵯ']ᵨ,ᐹᨵ¡᩽¢'£%¤¥¦ᱯ¨஺©ªᨵ✏ᵯ10«,©¬ᙢ®Ḅ¤`6m/s,ᔿᑮḄ±ᱏᨵᦔ☢µ1m4¶^·¸Ḅ¹L2kg/m,Ꮇ᝞ᵯ)¼½Sᨵᦔ☢µᑁ·¸%Ḅ40%¾ᓄᵯ஺Àᑡ⊤ÂÃᔠÄÅḄ`A.ÆÇÈÉÆ«ᵯ±ᱏḄ·¸Êµ1m;-B.ÆÇÈÉÆ«ᵯ±ᱏḄ·¸%259.2JC.Æ«ᵯᵯḄË᳛129.6WD.ᵯÍÎÏ24h,ᵯ7Ð12.44kW•h;ᫀDÆÇÈÉÆ«ᵯ±ᱏḄ·¸ÊµÑ=51=5Ñ1=1*6Ò1m*=6m-A┯e;1sᑁÈɱᱏḄ·¸Ó711m=pV=1.2X6kg=7.2kg,%E=-mv2=-X7.2XÔJ=129.6J,B┯eÕ1sᑁḄ%¾ᓄḄᵯEᵯ=nE%=40%X129.6aEᵯJ=51.84J,ᑣᵯË᳛P=—=51.84%C┯e;ᵯÍÎÏ24h,ᵯ7×10X51.84X10“X24kW•h=12.44kW•h,D/0஺5.ᱥᳮᢈ2022ÛÜÝJẆ,2ÞßḄàáâã᫔åᔜá1ᔣḄ%'Æá%ᵯR,/èÎÏᵯU,᝞éÞßᙠᨵêë᡻5í᤬ïðñòóᙠ·t,Àᑡô2/0Ḅ`õöA.%âã᫔`¼½ã¾÷·¸ᔣøùúñûmᓣB.ᔜáâã᫔ᓣḄᔠýþÿᔣC.ᓫὑḄᵯ᳛4D.᫔“ᓱ”Ḅᵯ^ᫀI᫔"#$%&ᔣ'()*+ᑮ%&ᔣ-Ḅ(/)0123ᙠ%5)ᦑA┯8;:;ᙠᨵ=>?/᡻AB᤬DE123ᙠ%5,᪷H>⊝ᩩK,ᔜ᫔ᓣ/Ḅᔠ/O:;ḄP/Q=>?/>⊝,ᑣᓣ/Ḅᔠ/ST"Uᔣ-)ᦑB┯8;ᡠᙠᵯWXYᵯZᵯW,[\᳛]^ᵨP`g,ᦑc┯8;᫔“ᓱ”,ᵯWabYᵯZᵯW,ᐸᵯ1=7-ᦑDd஺᧕┯ghᡠᙠᵯWXYᵯZᵯW,]^ᵨP#[\ᵯ᳛஺6.ᱥᳮkl2022mᓅop10ᨴὶὃ,10t⌱vᵯ&wᜓkyᙢᦑ{,yᙢᵯyᙢ|ᔣᜧᙢᦣ,ᙠᙢ☢-ᡂᵯᑖ);ᙠyᙢW|ᕜA,ᐸḄᵯᵯ஺ᵫᵯḄ;ᵯ)ᵯᵯ஺;ᨵᵯ)Sᓽᙠᡈᩩ¡,¢Ḽ¤¥ᓻ◅¨஺᝞ªᡠh)᪷«¬®ᙠ¯°Ḅᙢ☢-,±ᙠᙢ☢-Ḅ;Ḅ²¤0.5³´ḄᵯZ300Q,;µ¶ḄᵯZ900Q,³·ᙢ☢ḄᵯZ100Q஺µ¶Ḅᵯ0.1A,ᑣ'ᑡ¹ºdḄ"A.;Ḅᵯᔣ0»ᑮ¼B.;Ḅᵯ150V½2⚓ᐳ9⚓

2C.;ᙢ☢Ḅᵯ4AD.;ḄᵯḄᵯ᳛15WᫀBDᵫ⚪ªaÁ,;Ḅ¼¤«¬ÂÃ,ᵯÄÅÆ,»¤«¬Ç,ᵯÄÈ)ᑣ;Ḅᵯᔣ0¼ᑮ»)ᦑA┯8;;ᵯZRF2X300Q+9000=1500஺)µ¶Ḅᵯ0.1A,ᑣᵯU=IR,=0.1X1500V=150V,ᦑBd;ᙢ☢ḄᵯZR=100X0.50=50Q,ᑣᙢ☢Ḅᵯ1ÉÊ=ÌA=3A,ᦑC┯8;;ᵯḄᵯ᳛2«250P=I2R,=0.1X0.1X1500W=15W,ᦑDd஺7.ᱥᳮkl2022ÍÎÏÐ5ÑÒÓ,9t⌱vᵯ"$ᵯ^#ᓄᡂÕ^ḄÖwᜓ,ᙠ×ØஹÚÛÜஹÝ■ßàᵯஹáᶭ⚞äÍåSᵨ.ªh⊤è"éêëᵯìëḄíᑖîᦪ)Hðñò)'ᑡ¹º5]dḄ"óvôõYE3-132S2-2ö÷ᵯ220Vö÷᳛1100Wö÷#ø2900r/min⚣᳛50Hzᦔ᳛90.0%A.TᵯḄö÷ᵯ5AB.TᵯḄÜû᳛110WC.TᵯḄ¬ᙌᵯZ4.40D.Tᵯ³ᑖýþ᜜Ḅ5.94X10'Jp1100ᫀBDᵯḄᵯூ=A=5A,A;ᵯḄ᳛P=n♦P=1100X90.0%990W,B┯;ᵯP᡻110Ḅ᳛P=1100W-990W=110ᓽ,ᵯ!"Ḅᵯ5A,ᑁᵯ$1?==%஺=4.4஺'C;ᵯ()*+,ᑖ./᜛MᦑḄPt=990X60J=5.94X10'J,D┯஺8.ᱥᳮ4520226789:;,7᝞=>ᵨ@AᮤC᜜ᰐFGAHIJKḄLᳮMC='ᐸ᪶PQRSᵯᏔ,UᵯᏔVW+,XYஹ[Vᨵ]^_,ᙠAஹB[ᵯ᩽bc4ᵯd_'efᵯᏔᡂ:hᵯi,jkᐸlmḄᵯnoᔾq⊖o,Hᢝtuᜐ%wxஹ@AyAz{ᡭ}Ḅ~᝱'᮱FC᜜ᰐ,ᵯᏔᜫ]_ᵯ,ᵯnoᜫnឋ,5ᙠtu*ᵨᐵyAz,■@A᜜஺᝞ᵯᏔᵯ+ᵯ᩽AḄᵯdBḄ,ᑣ+A.ᵯᏔᑁQᵯᵫAᔣBB.ᵯᙠᵯᏔᑁQᵫAᔣB,ᐸᵯdC.ᵯnoᑁQnᔣᵫCᢣᔣDD.ᵯᏔᵯ+¡ᓄᵯᫀBᵯᏔᑁQᵯᵫBᔣA,ᵯᙠᵯᏔᑁQᵫAᔣB,ᐸᵯd,ᦑA┯,B;᪷¤¥¦ᑣ§¨ᵯnoCVN᩽,DVS᩽,ᡠªᑁQnᔣᵫDᢣᔣC,ᦑC┯;ᵯᏔᵯ+ᑁ¡ᓄᵯ,ᦑD┯஺᧕┯¬MᵯiᑁQ'ᵯ®᩽ᔣ᩽஺9.2022¯°:;,9±⌱³ᵯ´µḄᵯ¶·80kW-h,¸¹º»700km,᦮½¾¡ᓄ᳛84%,ᵯ¶ᙠ¿ᵨÀᐙᵯ᫕Ãᐙᵯ+,ᐙᵯᵯ100A,ᐙᵯ+b2h஺ᑣA.ᒴÅÆÇ+ᡠWḄ$ÈᜧÊË345NB.ᒴÅÆÇ+ᡠWḄ$ÈᜧÊË420NC.ᐙᵯᵯwË500VD.ᐙᵯᵯwË400VᫀAD᪷¤ᐵ̧ffx=WᵯX84%,Íff-345N,B┯,A;᪷¤ÎÏUIt=Wᵯ'ÍfU=400V.C┯,D஺10.2022ÐᓭÒÓὶÕ}Öὃ,5ᙢᳫ⊤☢▬ÝÞᙠ:hßÀᔣḄᵯ,ᨒᜩ+ᙠᵯ*ᵨ'ᜧA"Ḅâᔣஹ®âᔣÃ,᝞ãᡂḄäåᵯæᙢçᵯ஺èᵯéê,ëì^íᓄ'ᐰᳫᙢçᵯḄᵯLᎷðᙢçᵯᙠᐰᳫᔜᜐᙳᒴᑖó,ᙢᳫ▬ÝßÀᔣḄᵯôE,õᙢᳫ⊤☢öS,ᙢ⊤▬ÝçAḄᵯ$᳛P..ḄᜧÊø3⚓ᐳ9⚓

3ᫀAõᙢᳫ⊤☢^AhḄçAûẆý/þ,çAûÃ⊤☢ᑮ⊤☢ḄᵯU=E•Ah,Ḅᵯr=P„y,᪷,I=gᑮPᦑA,BஹCஹD┯.11.2020ᑖ"#$%⌱'ᙠ᝞*ᡠ,Ḅᵯ-.,ᵯ/ᵯ01E,ᐸᑁ1r,L,ஹLஹL14567ᐸ58ᵯ9:1;<'=P1>0<ᘤḄ>0@ᜮ,BஹK,1Cᐵ஺K,Fᔠ=ᑣᑡJK.ḄL7'——-0^-----------------I1L3E.rKiA.MK,Fᔠ,456L,<ᨩB.MLFᔠ,456L-<ᨩC.ᙠK,ᜐPFᔠQ᝱,ᔣT>0@ᜮP,456L0@ᜮP,456L0@ᜮP,ᑣRg<ᜧ,Zᵯ<ᜧ,Zᵯ[Y4,56L]^ᑁ_ᵯ`<4=aὶᑖḄᵯ`<ᜧ,ᓽ456L

4A.ᵯ/Ḅ᳛18WB,ᵯ/ḄZ᳛110WC.ᵯ/Ḅᑁ10.5CD.ᵫP456ḄU-I*Lᩩ,ᡠ];〉ᵨVᫀCᵫ*AḄ¡¢£ᵯ/ᵯ0E=4V,*¤᳛Ḅ¥¦g⊤,ᑁ=ᑣL§஺=0.5ᦑC;AஹB*Ḅ©ª⊤,56ᵯ/«¬x=®ᵯ`U=3V,l=2A,ᑣᵯ/ḄZ᳛PZ=EI=4X2W=8Mᵯ/Ḅ᳛P=EI-I2R=8-22X0.5W=6W,ᦑAஹB┯;456L¯ᵯ=L〉ᵨḄ=456ḄU-I*Lᩩ,L°1456ᵯ±²vḄ<ᓄ´µᦋ<,ᦑD┯஺᧕┯¸,ᵨᵯᘤḄU-I*⊤,ᐸ®Q᝱ᵯ[ᵯ`Ḅᐵ,ᵯ/ḄU-I*¹᧜ḄLᵫᵯ/»ᵯḄᵯ-.ᵯ[-dᵯ`Ḅᐵ=Mᵯ/ᵨᵯᘤḄU-I*¼ᙠ½¾ᙶ᪗ᑁ=cᩩ*Ḅ©ªᙶ᪗Á⊤,Âᵯ/¬Ãᵨᵯᘤ»ᵯxᵨᵯᘤcdḄᵯ`,¾ᵯ`½xÄLᵯ-Ḅ-dᵯ`=©ªḄÅᙶ᪗⊤,ḄÁLijᵨᵯᘤḄᵯ[=ÄLijᵯ/Ḅᵯ[,ᵯ`ᵯ[ḄÆÇᑣ⊤,ÂᵨᵯᘤxḄ᳛=ÄLᵯ/Ḅ᳛.¦PU-I*;LḄᵨᵯᘤ,ijÈU-Iᵯ/*©ªḄᙶ᪗gÉᑮᵨᵯᘤÊ▭®ᵯ`ᵯ[ÌÍÊ▭᳛஺14.2022ᓅÏÐÑl,12᝞*ᡠ,,½ÒÓÔ¾ÕÖvÔ:ØÙḄ>ᙽ9]ᙠᐝ>Ḅ᪾Ü.ÝÞ,>ᙽcßᵨcàvᦪâ½Ḅãäå᪾Ü«¬;R1>0<ᘤ,ᐸ>ᱏ>ᙽ竬;c¾ᵯèḄᵯ0ᙳឤ1E,ᑁ;Ô஺ᢥ*«¬ᵯ-ì=ᵯ`⊤ᢣ┐ḄïªðP⊤ñ.ò=xcäåᙳ1óô,>ᱏាöᙠ<ᘤḄ.ð÷஺ø>ᱏ<ᘤùdḄᵯgúᐸᑮdḄ¢ûᡂü,tadḄᵯýPbdxᵯ`⊤Ḅᢣ┐ᔣïªTßþÿ஺
ᙠḄᱥ,ᱥᔣ஺ᑡḄᙽA.ᱥᔣ!",ᵯ$⊤Ḅᢣ┐
ᔣ!(B.ᵯ$⊤Ḅ)ᦪ+,,-ᱥ.ᒴ01C.ᵯ$⊤Ḅ)ᦪ2ᜧ,-ᱥḄ42ᜧD.ᵯ$⊤⊤5ᔜ789Ḅ:ᙳᒴḄ<ᫀD>b?ᵯ@AB,ᱏាEᙠ,FᘤHIJK",L=6=6O0,ᱥᔣ!",ᙽPᱏᔣQR,ᱏ!SᵯFᜧTQSᵯF,a?ᵯ@Ub?V,ᵯ$⊤ᢣ┐ᔣQ(R,⌱⚗A┯Z;ᵯ$⊤)ᦪ+,,-ᙽQஹ!]S^+,,ᦑឤabc.ᒴ,adefHᱏᜐT,FᘤHh,ᱥib.ᒴ01,⌱⚗B┯Z;ᵯ$⊤Ḅ)ᦪ2ᜧ-ᱥ2ᜧ,ᱥᔲ2ᜧ⌕᪷mnᔣᔲopᑨ,ᦑ⌱⚗C┯Z;ឤ"ᱏJK+,,ᱏn,Fᘤr4stIḄᵯF:unᐸᑮxsḄyzᡂU,ᑣᵯ$⊤)ᦪ1ឋ,ᓄ,⊤5ᔜ789ḄḄ:ᙳᒴḄa⌱⚗D஺?e⚪⍝ᵯ$⊤ᢣ┐(ᔣnaஹb]?ᵯ@VḄᐵa-Qஹ!]SḄḄᔠAᱥᡠḄᔠ᜜.15.ᱥᳮᢈ2022ᜧ▬H¡¢£᪍¥¢ᵫT§¨“ª«ᵯF”ᦔ9₫¯°2007±²¥¢ᱥᳮᝄ஺Ẇµ§¨«¶ᵯFGMRḄF:·ᡠᜐ¸I«¹Ḅ2º»2ᜧ஺¼)ᵯH,GMRA4½«¶ᵯFa¾ᔠ¿ᐵS,S2.ᱏPᔣ!"À5⚓ᐳ9⚓

5A.ᵯ«ÃḄ«ឋ2º,ᢣ)ÄḄÅ,ÅB.ᵯ«ÃḄ«ឋ2ºaᢣ)ÄḄÅ,ᨩC.ᵯ«ÃḄ«ឋÇÈ,ᢣ)ÄḄÅ,ÅD.ᵯ«ÃḄ«ឋÇÈaᢣ)ÄḄÅ,ᨩ<ᫀCᱏPᔣ!",,FᘤÉᐭᵯHḄᵯF,ᜧ,ᑣQSᵯHḄᵯË,Ì,ᵯ«ÃḄ«ឋÇÈ,GMRF:ÇÌ,!SᵯᵯË2ᜧ,ᢣ)ÄḄÅ,Å,ᦑ⌱C.16.ᱥᳮÍÎ2022ÏÐÐÑÒẆ,5᝞¼ᡠ)ÔᵯÕÖ×ØḄÙᳮ)Ú¼,EAᵯÛ,RAᵯF,PAÜÝↈᱏ,QAÜÝß஺àQᔣ!8ḼâᱏP×aPâ»Q+஺ᙠPஹQIyÇÌḄefHA.ᵯÕᘤḄᵯÕÇÌB.Pᵯ₹äåᢝ+,C.M?Ḅᵯ@TN?Ḅᵯ@D.M?Ḅᵯ@çèX?Ḅᵯ@<ᫀ1ᵯÕÖ×ØnᵯÛéὶaᵯ$åᢝ+,aᙠᓃQIyÇÌefHa᪷mᵯÕìÖ=_£rLc4/cTtdbíᵯÕ2ᜧaA┯Zî᪷mᵯÕḄïÖCὡñAᵯÕ2ᜧ,ᵯ$+,aᦑbíᵯÕᘤᡠPᵯ₹ä2ᜧaB┯Z;ᵯÕᘤḄᐙᵯᵯËeRḄᔣᵫXᑮM,ᡠcN?Ḅᵯ@UM?Ḅ,C┯Z,D஺17.2022ᓅôõö4,10ÔpᵨᑁFᵯ=20஺ஹù(ᵯËL=5mAḄú⊤ûoᐵᐗýᑴÿ
᧕⊤ᵯ᪗ᵯ᝞ᵬᡠ஺⊤!⁚#$%ᘤR'()⊤ᢣ┐,-./400QḄᵯᙠ⊤23,56()⊤ᢣ┐78᝞9ᡠ.;ᑡ=>?@ḄAB6⚓ᐳ9⚓

6A.ᵯFᵯ$G/1.5VC.2.5mAᜐ᪗I600஺D.4mAᜐ᪗I200஺JᫀCLRᑁ/⊤ᑁ,ᵫOᔠᵯQRS,E=LRᑁ,E=fRᑁ+400Q),I,=3X10"A,ὶUVWE=3V,Rᑁ=600EQ,A.B┯Y஺ZI"=2.5mA=2.5X10''A6,R=yLRᑁ=600஺ᦑ2.5mAᜐ\᪗6000,C?@஺Z]4mA=4X10-AE6,R=j—Rᑁ=150஺4mAᜐ\᪗I150"D┯Y஺^_`a⚪c⊤/de,ὃgOᔠᵯQ஺18.2022hᓭjkὃᦟᦟẆὶnB
oᜧὶὃ,12qrḄsᜩ,ᓭuvᑖὁyz{|ᵨᵯ~ᨨ᝞ᵬ஺ᵯ~~᜻L
ᵯ~~ᩞᧇḄᵯ᳛஺=ᑮᵯ~Ḅᑁv᪀᝞9ᡠ,ᐸ~ᩞᧇ¢£¤ᑖ¥¢£¦~ᩞᧇḄᵯᙠᵯ§A¨ὶᐵª«¬ᨵ10᪷¯ᔣ±ᢚ஺1³´ᱥ¶⊤☢╄
¹º»¼,ᐸ½¾,ᐜᵨÀÁÂᘤ~ᩞᧇḄÃÄ᝞Åᡠ,ᑣᐸÃÄU1=mm;2ᯠÈᵨÉ)>ᵯ~Ḅᵯ,ᙠᵯ~ḄᐭËÌÍÎÏAஹB,ᐜᵨ⊤ÑᐸᵯÒ/300஺.ᐸᐭÓᵯ஺ᙠÔÕÖᢈὁØÙÚÛc;ᘤᩞÜA.ᵯÝ⊤AiÓÞ0~100mA,r=10஺ßtB.ᵯÝ⊤A“ÓÞ0~120mA,r350Q;C.ᵯá⊤VÓÞ0'15V,n=20kQ;D.#$%ᘤR,0~10Q;E.#$%ᘤRMO'100஺;F.ᵯRM,=290Q;G.ᵯRã2990Q;H.äáᵯFE=30V,ᑁ¾ßI.åᐵ
æÎçè./éRêë@ᙢÓæᵯíḄᵯî⌕ðᵯ⊤Ḅñᦪ¾óô⊤õḄᨬᜧ,÷⌕ðñᦪᨬᜧRøᑮ,Ḅùᑖ2úc,ûü±Jc;ý⚪஺জ⌕ÿᙢ⁚⌕ᙢᐸᵯ,ᑣᘤ⌱ᘤᩞḄ᪗!"7⚓ᐳ9⚓

7ঝ&'()⌕Ḅ*+ᵯ,-./ᙠ1᪾ᑁ(56᪗57,ᵯ89ᵨR-⊤<);ঞ@AḄᵯBC,ᑣᐸᵯ᳛BP=Eᫀ(1)6.200(2)জDঝ᝞-ᡠ<_ird2ড40L2+8L1"I᪆(1)KLMᘤNᦪB6mm+20.0X0.01mm=6.200mm஺(2)জRᐸᵯSB300஺,ᜧUᘤVW,ᦑYZᑖ\]^_,ᘤ⌱VW`aḄD;ঝᵯ\⊤bcdᔠ〉,ᵯ,gḄᨬᜧᵯiEI---100mA,ᦑYᵨjk_஺Kxঞ᪷m&=P᦮ᳮrP=Z;[R.2g)z20L+4Z-I1r219.tᯠvw(2022xyᓭ{ᨴὃ,13)~ᓤ.ᙢᙢ☢S1kmḄgᨵᙽ.3km,᥅ᵯ,ᙽḄᵯᢝSB3X10”Vd஺Ḅ¡¢B3X10"V/m஺£¤¥¦§⚪©ª«¬஺(1)ᙽ®¯°±²³´ᵯµ¶·¸(2)ᵯµ¶·±.@ᙽ¹ºḄᵯ₹bB500C,¼½¾®¯b¸(3)ᙠ(2)gᩩÀ¦,Á¾ᵯvwᔊ±S0.01s,ᑣᐸÄᙳᵯiSB®ᜧ¸Eᫀ(1)1000m(2)1.5X1012J(3)5X10'AI᪆(DᵫraU3xl09dÇÇ(----Tm=l000mE3X1060(2)½¾Ḅb£=41}=500É3É10!1J=1.5X1012J.(3)ᵫᵯiḄÊrq500.`=aA=5X10A.20.[2022ᓅ{ÌÍÇÎ,20(1)]ᱥᳮvwḄᑖ᪆ÐÐᨵÑÒMÒ)ÓÔ,Õ᪀ᔠᳮᓄÎØÙAᐸᑁᙠὶÛ,ᨵÜUÝÞßàᳮIᐸᱥᳮáâ஺᝞-ᡠ<.ãiᵯäஹæᐵஹè1éêëabìᡂ()ᵯ,஺îMÒÔïð.æᐵñᔠ±.ᵯäòᵯ\²ᙠéêëᑁóôᡂឤᵯ¡,ö)tᵫᵯ÷øᙠᵯ¡ùúᵨ¦æûᔣý.þÁÿᵯ
Ḅ
,ᵯ
ᔣᔜ8⚓ᐳ9⚓

8ᔣḄᭆ᳛!"ᔣḄ#ᔣ$%&'04()ᵫᵯ
+,$ஹ+……,/0#ᔣᙠ2345ᡂ7ᵯ8஺:;ᵯ<=>ᵯ?'U,Ḅ@%'L,AB☢D'S,ᓫFDᑁ)ᵫᵯ
ᦪ'n,ᵯ
ḄIJ'm,ᵯ₹J'e,LM=NO◞ḄQᙳSO't»,SOTU.Wᙠ)ᵫᵯ
X
SYὃ⇋\
OḄ]^ᵨ,"`aᐵḄᵯcTU஺a.d)ᵫᵯ
#ᔣSḄ,$%ᜧfa;b.d1,SOᑁ)ᵫᵯ
#ᔣḄQᙳ$᳛v;0c.g5ᡂᵯ81Ḅ⊤ij஺kᫀmn᪆n᪆a.ᵫpqr#s)ᵫᵯ
Ḅ,$%ᵫজ@jv:a=xb.ᵯ
ᙠt஺SOᑁyᒴ,${",ᑣ#ᔣḄQᙳ$᳛v}~c.ᵫᵯ8Ḅ#jᐸQ=nVe=nvotSes9⚓ᐳ9⚓