资源描述:
《湖南省永州市2022-2023学年物理九年级上册期末预测试题含解析》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。
2022-2023ᱥᳮᔁ⚗1.ὃᔁ⚪ᓱ.2.⚪!"#$%Ḅ'(ஹ*ὃ+,ᵨ0.5./0⁐23Ḅ4567ᑏᙠᔁ:⚪ᓱḄ;<=>.3.?@᪶BCὃᕒᙠ⚪ᓱᡠFGḄᩩIṹḄ'(ஹ*ὃ+,KLMᔲOP.4.Q⌱S⚪#Tᵨ2BU6⚪ᓱBV⌱⚗ḄW᪾YZஹY0[◤ᦋ_ᵨ`abcde⌱Yᐸgᫀ.Qi⌱S⚪#Tᵨ05./0⁐23Ḅ456ᙠ⚪ᓱḄᢣ<=>Qᙠᐸg=>Qklᦔ.5.◤QnTᵨ2BU6oஹᑏpqrᩩஹP,sTt0ஹtu.ஹ⌱S⚪vw⚪1.5ᑖᐳ30⚪45ᑖz1.nᡠ{Ḅᵯ}~ᐝḄᵯ}MA.ᜧᵯ₹Ḅ_IᡂᵯB.$ᵫᵯ<ᔣ_ḄWᔣᵯWᔣC.ᵯ}ᨵᵯᵯ}~ᨵᵯD.ḄᵯᜧḄᵯ4.nᡠ{MᵯᵬḄ/-Unᑡ¡¢£¤ḄMvz
1B.¦ᵯᵬᵯ4V§¨Ḅ©Ḅ©OsC.¦ᵯᵬὶ«ᙠ6Vᵯ¬§c}ᵯ0.6AD.¦ᵯᵬὶ«ᙠ6Vᵯ¬§Ḅᵯ20Q5.ᐵ¯ᱥ°Ḅ᪀ᡂKᑖ²³_ᑡ¡¢£¤ḄMA.ᵨ´µ¶·¸¹ᑏ┯Ḅ5M»¶·K¹¼½ᨵO¾Ḅ¿ÀB.ᐝÁÂÃᑖÄÅÆᡂᱥ°ḄᑖஹÇC.ᙠÈÉp3~ÊLË23̧½É3ÎËÏMᦣÒÓD.ᙽÕᡭ×ḄUᙽØᔠᙠÚ¡µᑖ½ÛÜᙠÝÀ6.ᐵ¯Ḅᵯᑡ¡¢£¤ḄMA.ḄᵯKḄᵯᡂ£ÞB.ḄᵯKḄᵯᡂßÞC.ᵯà§ḄᵯáàD.ḄᵯKᵯஹᵯᜧÈlᐵ7.nᡠ{ᨵᐵᵯ⊤Ḅ¡¢┯ãḄMvz
2kW-h8633ᓫᵯ⊤220V10A50Hz3600r/kW*hA.“3600r/kW-h”⊤{ᵯ⊤wäὑlkW-hḄᵯ§æᵯ⊤çèç3600ræᵯ⊤Ḅ{ᦪ8633.5kW-hc.æᵯ⊤Ḅçèç360ç§ᵨᵯᘤäὑḄᵯM0.IkW.hæᵯ}ᐕìíîᵨᵯᘤḄᨬᜧðñ᳛M2200W8.óôᵨᵯᔿö÷᪷ù◤⌕û⁚⌱SýᐵþÒᔿÿᡈᔿḄḄᩭ.ḄᵯᔿᵯḄ!ᐵ"#$ᐵK电电热热丝头丝9.1ᡠ'()᪾+ᙠ-./012ᵯ34ᵯ52672ᵯ)ᙌᙠ./9:;ᩭ=42ᵯ)ᙌᙠ./ᢝ?:@AᑡCDEFḄᵯ12A.ᣚᵨI-Ḅ.J
3B.ᣚᵨIKḄLᒹ)ᩭNᑴ)ᙌC.2ᡠ'ᵨPᑐRSTU)ḄLVWTᐰYRᣵ[T\R]ᕜD.2ᡠ'ᵨPᑐ_STU)ḄLVᐰYRᣵ10.ᡠ'Pᑭᵨbcdeᓣ800NḄgᱥiᙠjklᵫTnoḄpqᔆ500N,ᱥJᙠ5sᑁᒴuᓣ=1m,ᑣ5sᑁ!x0A.jklᵫTy@=3mB.PCḄᨵᵨ500JC.@bcḄgqᜧP|}~bcdḄᦔ᳛D.ᜧᱥJgqᨵᑭebcdḄᦔ᳛11.ᡠ'ᵯᵯ3ᵯ12Vᢝ|.ᔠ$ᐵS,bᱏPᘤḄᵯ⊤Ḅ'ᦪ4VbᱏPᘤḄᑖTᵯ⊤Ḅ'ᦪᓄ=2V,ᙠ10sᑁᵯQḄ36J.ᑣAᑡEFḄA.ᵯḄᨬᜧᵯ51AB.bᱏPᙠ10sᑁb@ᘤHὑḄᵯ60JC.b@ᘤRᐜ£S¤ὑḄᵯ᳛¥¦81D.Rᐜ£S¤ὑḄᵯ᳛¥¦16912.⏚¨©Ḅª|«¬ᡃḄ¯Je°±¬7ᵯᕖ!ᡠ'´\ªe°Ḅᵯqµ¶·7ᐝº¼!ªᙠ½0¾¿=“ᵯ3”ḄÂ⁐ᐵ½ÄᵯÅD┯ÇḄ!xA.ªḄÈᵨÉᵯe°ᵯ
4B.Êᵯᨵᵯ₹ᙠ7ᔣy@C.ªÍÎḄᵯD.(ªÏὶ;ᩭ¬eᵯ13.Aᑡᱥᳮᨬ1Ò▭ḄA.·⁚ÕᵯÖᵯ2VB.56ØᵨÙÚḄᵯ5Û0.5AC.J×ᐰᵯ220VD.ὃ/0·ÝÞᐝßḄà᳛Û40W14.áᵯEFâ1ãä£b@ᘤ1ᐭᵯḄæçᔠ$ᐵèéábᱏPêëᔣWy@Ḅ15.ᵬஹîSÄïðñòPᳫôᵨõö᥅ø6Ḅùᴻûᵬஹîஹôüὅ¥þÿᵨḄᡠᵫA.ᵬᳫᵯB.ᳫᵯC.ᳫᵯD.ᵬᳫᵯ16.ᑡᐵᦔ᳛Ḅ#$%Ḅ&A.'(ᧇ(*+ᐙᑖ./ᜧB.'(ᧇ(*+ᐙᑖ.12ᦔ᳛C.(ᧇ(*34Ḅ5676ᜧD.Ḅᦔ᳛8ᑮ100%17.᪷;<Ḅ=>?@ᑨBᑡᦪ;DᨬFG=>H▭Ḅ&JA.ᦟMNOPQDḄᵯRST2AB.UᵯVḄᵯWST38VC.XᨔᵯZḄᵯ[᳛ST100WD.\Nᵯ]┡_1`aὑᵯST10kW-h
518.ᵫcdefghA.ijklmḄᵯWnopjkḄᵯRᡂrsB.jklmḄᵯWTtauTvᨵᵯRopᡠ.jkᵯxTtC.jkDḄᵯR6ᜧjkḄᵯxy6`D.jkᵯxḄᜧ`.ᵨzlmḄᵯW{opzḄᵯRḄsᩭ⊤19.~iᙠ“ᵯRnᵯWஹᵯxḄᐵ”a᪷;ᦈᑮḄᦪ;ᡠḄᑡ{Ḅ&A.ᵯxaᵯR{ᵯWᡂsB.ᵯxaᵯW{ᵯRᡂsC.ᵯWaᵯR{ᵯxᡂrsD.ᵯWaᵯx{ᵯRᡂrs20.ᐵhᑡ#$%Ḅ&A.᪷BᑖOᙠB.ᵬᱥk¡5¢⌴¤ᱥkᵬᱥkᑁᜧC.uT¦Ḅs§¨ᜧᡠ.s¨〉ᔠ«¬ᓾᑺD.¯°±²¦ᑖ³°ᐭµ¶iḄ·¦Dl¸¦ᦣḄ᪵¼21.ᑡᱥ½Dᙠo¾¿jkḄ&JÀA.Áᴻஹ◌ÄஹÅkB.ÆÇÈஹ᯼ÊஹËÌÍC.ᛛᧇÏஹÐÑஹÒÇD.¦ÓஹᜧᙢஹÕ²22.ᡠᵯÖD×TᵯxR2TØÙÚxᘤᵯÜᵯWÝᢝÚßᔠàᐵS,áØÙÚxᘤØᱏPᔣäØÙaᑡå%Ḅ&JÀA.ᵯR⊤ḄᦪÚᜧᵯW⊤ḄᦪÚ`
6B.ᵯR⊤ḄᦪÚ`ᵯW⊤ḄᦪÚᜧC.ᵯR⊤ᵯW⊤ḄᦪæÚ`D.ᵯR⊤ᵯW⊤ḄᦪæÚᜧ23.ᵯÜᵯWÚ¯àᐵSiஹS2æßᔠçᵯÖ¾_.ᯠçBààᐵS2,ᑣᑡå%Ḅ&JA.AiᦪÚ`A2ᦪÚ`B.AiᦪÚA2ᦪÚ`C.AiᦪÚᜧA2ᦪÚᜧD.AiᦪÚᜧA2ᦪÚ24.ᑡ@ëឋ`H@ḄåD%Ḅ&A.¯lᙽî☢ðñḄËᙽWᙠòóôzõᔠᙠòᑖᙠöᙢ«÷øᑣùÙB.¤úûüPoᵯóôûüPóᵯ.ýᓄTᑁC.oᵯÿᐭᔾḄᜧᜮ┐ᦪᵯឋD.Ẇὶᵯ!ὶᵯḄᱯ#$%&'(Ḅ)*#25.,ᡠ.Ḅᵯᵯ/ᵯ01ᢝ3456ᐵSi8ᔠஹS2;6$ᵯ<⊤Ḅ.ᦪ>0.2A56ᐵSiஹS2?8ᔠ$ᵯ<⊤Ḅ.ᦪ>0.8A,ᑣ56ᐵSi8ᔠஹS2;6$ᵯABCDḄE᳛GH>IJB.31C.41D.1326.KL$⁚NOPQRSTUᑮWXḄO✏ZA.ᑖ\ᨵ^_Ḅ`aB.ᑖ\cᨵdefᵨhC.ᑖ\ᨵ^_ḄᜧiD.ᑖ\ᙠklmᑣḄno27.,ᡠ.pqᙳstuᐝwx^y$c^zqᰐ|}~ᨵ^ᵯ⊤.ᦪ4iᵯ~ᨵ^ᜐᦑ,}~uᙠqI"ᡈL2ᑣ
7IA.Li;B.LiC.L2;D.L228.tᵨwᢣ6ᐵSiᡈṹ6ᐵS2ᩭ┝Ḅᐸ^┝ᜫ┝_6ᐵS3ᙳ;6ᨚ┝ES3ᙠ^y$co8ᔠឮ¢┝E.ᵨq¤Luᐝ¥¦┝ᡂEᑣ¨ᔠ⌕ªḄ¥¦ᵯ29.iᑭᵨᐝ¬ᵯAᑮᐝ᯿$ᵯA4iḄᱯឋ¯°x,ᡠ.Ḅo±ᑴᵯ⌕ªᐝᨩ$q´ᐝ´$q|ᙠ¶▭¸¹$uºq»¼´Ḽᐝ¬ᵯAᐸ¾ᵯᐗÀ?stÁᑡ¸⁚±ᑴᵯÃᑮ⌕ªḄIJA.Ä&ᵯḄB.ÅᵯᙌḄÇᦪC.Èo4AᘤÈᱏPᔣÌÍoD.Îϱᑴᵯᵯ/ᵯ030.ᵨÐÑ᥅ÓwḄÔᴻÖ☠Ø^Ù`iᳫiᳫÛᔾÜᑣiᳫA.S3ÝᵯB.^_ÝÞᵯC.^_ÝsᵯD.^_3Ýᵯßஹàá⚪Iãá1ᑖᐳ10⚪20ᑖJ31.,ᡠ.å□qqᩚ⚔éå□ᵯêë'å□ìᓄ>ᵯ!ᔣqᩚÁḄîᵯêᐙᵯðñòq᯿óᙠ^_$cᑁå□ᐝõöᑮ÷å□ᵯêëḄa>2.4xlO7J,ZøaùìᓄSðE᳛>40WḄqúf60h,ᑣ÷å□qḄaìᓄᦔ᳛>%.
832.ᙠýþᵯÿᵯᜧᐵ“”Ḅᨵ1,233.⁚ᵯḄᵯVḄ!ᐰᵯ#$%Vᵯ&'ஹ)⊟+ஹᵯ,+-.ᵨᵯᘤ12⌱4“5ὶ”ᡈ“8ὶ”9:;Ḅ34.>1?@ABCD“EFGEHḄIJKLMNᓄḄPQ”LRḄSTU>᪷W>XḄYZ[\]ḄLM12⌱4“^ᓤ”ᡈ“`a”9bcdefḄ1FḄgṺiḄᜧ35.jkᵯl+mnᵯ220V,ᐸᵯp1qrstLuḄᵯ20A,ᑣwᵯl+Ḅmnx᳛1kW,ᵯl+:zqrstlOmin,ᵯl+{|ᨵᵯp}~ᜫḄᵯJ36.>ᡠTᒹ✏Ḅ┱ᡂ^MḄᩩᯠ┱ᩩḄ:;ᵯq~eᩩ^ᜐᑈd1┱ᩩᵯ¡¢ᵯ}┱ᩩ^MᨬᜐḄᵯp,~.2ᙳ⌱4“ᜧ”ᡈ“?”937.1820§¨©ḄªB.—✌ᐜ~e®ᵯᕜ°±ᙠ³´1831§µ¶ªB.·¸¹~e®,dº»⌕efḄ~e½T®ᵯG³¾M#¿ᑖᒘḄὶÂ38.>ᡠTÃÄ+ḄźÆÇᐸ^ᨵºÆÇᑁÉᓄ+ÊË1>____oÍwÃÄ+ÎÏḄÉÐ600r/min,ᑣÑÒÓÔÖ×x
939.ØÙḄÚᜩrÜÝÞßàjḄáâãáÔä“唿çèᑮᨨG®“âã”1ᵨḄë·ìíãḄᑁî“å”1ᵨḄë·ìíäḄᑁ40.>ᡠT1“CDᵯubcḄïðᐵÂḄñò”óñò^ôᵯpõöᡂ5ὶᵯ¢÷ḄøGuᵯLMùᢝûAîñò?@üýó^Ḅᵯp~eôᵯpþJGᩞᧇᙳ⌱“A”ᡈ“B”ᘤᵯḄ☢ᜧஹ⚪1ᑖᐳ2⚪15ᑖ41.!ᡠ#ᵬஹ%&'(ᐰḄ*ᴻ,ᑁᨵ/ᑖ01RᵬஹR%Ḅᵯ2,3ᐭ567aஹb.1ᑭᵨ:;<=>ᵯ?@ABCDEḄFGHIJKLᨵᐵNᙠ&,PᐭஹQ5RḄ᯼T.VᔠXᐵYZN[\]@A567_`ᑨbᵯ2DEFGḄcd.:eᫀg=>hN[Nᵯ?@Aᵯ2DEḄFGHᜧiḄᐵj.ফᙠᵬஹ%&,ᑁᣚᵨmGஹQ5RḄnoCpᵯ2Ḅ/RᵬR%N\]qnᱥmḄᔾFtu.v567aq567b56ᓣxyzᑣᵬஹ%&,ᑁoCḄqFᐵjgCᵬ“ᜧ}”“i}”ᡈ“}"Cz.42.iᑭᵨ!ᵬᡠ#ḄᵯGᵯ12.5vḄiḄ᳛
10ᵬ(1)ᵨB!ᵬḄᱥ!(⌕ᘤᱏPᔣNiY(2)ᵯVᔠXᐵ,¡¢in¡ᐝᵯ?⊤#ᦪn1¦ᵯ⊤#ᦪ1¦ᑣᦑ¨\tgᵫ}iª«Ḅ(3)¬i®¡ᐝNᵯ?⊤#ᦪ!%ᡠ#ᑣiḄ᳛NW»ᙠ▭Gᵯ⊤ᨵ#ᦪNᑁ°ᨵ±²Ḅᵯ?@A³ὃ⇋¶'±²ᵯ?Ḅ·¸ᑣᡠiḄ᳛¹(4)ᑭᵨ!ºᡠ#Ḅᵯ»\](ᡂ½(ᡂ¾ᑡ(ᵯÁᵯnRihR21ᘤR2Ḅᨬᜧᵯ1Ro)জÄVᔠXᐵShÅÆÇ⁚,Éᵯ⊤Ḅ#ᦪ12.5VঝÄVᔠXᐵ,Ç⁚ÅÆÉᵯ⊤Ḅ#ᦪË12.5VঞḼR2ḄᱏPÇÎᨬÏÐѾᵯ⊤Ḅ#ᦪ1UÒRḄᱏPÇÎᨬÐѾᵯ⊤Ḅ#ᦪ1U,22ᑣi᳛Ḅ⊤ÓÔPM(ᵨU⇧RoஹUiஹU2⊤#)×ஹ7Ø⚪(⚪10ᑖᐳ2⚪20ᑖ)43.ᙠ!ḄᵯL᪗ᨵ“12V6W”Ú᪵ᘤḄᨬᜧ/140C,/ᵯRo=2OCÜ(1)L®¡ᐝNḄᵯÝ(2)SஹSiRVᔠᱏPᑮᨬÏÐNL®¡ᐝ:Nᵯ?⊤Ḅ#ᦪÝ(3)SVᔠஹSibXpᱏPᑮᨬÐN@ᵯIminᵯDEḄßFGLR1—O'~~—~44.!ᡠ#ᵯÁᵯឤ14.5V,Lá᪗ᨵ“3V1.5W”Ú᪵ᘤRá᪗ᨵ“151A”Ú᪵2/ᵯRi/110ᵯ?⊤Gâ10—3A,ᵯ⊤Gâ10—3V,n756ã2ᵯḄ·¸.Ü
11(1)®äåNᵯ1cᜧÝ(2)¬XᐵSஹSiஹSVᔠSbXNᵯᨬiß᳛1cᜧÝ23(3)¬XᐵSஹS3VᔠSiஹSbXNᙠæçᵯᐗéêᐰḄ_`¾ᘤ/?2Ḅë/í2îὃïᫀYஹ⌱ð⚪(⚪1.5ᑖᐳ30⚪45ᑖ)1ஹCூòóA.VᔠXᐵᵯ?õᨵöAN⌼ᡂᵯÁøg┯úḄn¡ᐝnûᔠ⚪üÝB.ᵫ!ýᵯþÿᨵᐭᵯᔠᐵᵯᨵᡂḄᔠᐝᔠ⚪C.ᔠᐵᔜᐗ!"#$ᡂ%&'(ᐝᔠ⚪D.ᔠᐵ)*+,⌼ᡂᵯ.*+᪵0┯2Ḅ$ᐝᔠ⚪.2ஹDூ67A.9:ᵨ<=᧕?ᵯᡠ(A⊟C0?DEᙠᵯGHI᧼A⊟C,=᧕9KᵯLᦑᔠNᐰᵨᵯPᑣᦑAᔠ⚪B.<=᧕?ᵯᵨARᢥᐵ'TUVRHᨵ<9KᵯLᦑWXYᔠNᐰᵨᵯPᑣᦑBᔠ⚪C.9:ᵨ<=᧕?ᵯᡠ(AZ0?DᵨAZ[\]ḼḄ_,=᧕9KᵯLᦑᔠNᐰᵨᵯPᑣᦑCᔠ⚪D.`a'bW,ᐵc⚔eGfg$+,ᐵchG$ijᝅclGg$ᔠNᐰᵨᵯPᑣᦑDᔠ⚪3ஹCூ67A.ᵯ₹Ḅoᔣqrᡂᵯ,
12B.uᵫᵯwoᔣqrḄxᔣcᵯxᔣgy,C.ᵯz{ᨵᵯ|~ᵯ0%ᵯUᨵᵯ~ᵯ0ᵯᨵᵯᦑC\D.ᵯo%?DḄᵯᜧ?Dz{Ḅᵯ|ᜧᦑD┯2ᦑ⌱C4ஹCூ7᪆A.ᵫa'bᵬḄᵯcᵯ|ᡂ\Ḅᵯcᵯ|ᡂ\᪷`o'bᵬᵯḄᵯḄᓄᦑA┯2;B.ᵫa'bEᵯᵬz{ᵯ|4V,Ḅᵯg᪷`oᡠ(ḄgᦑB┯2;C.ᵫa'bEᵯᵬὶᙠ6Vᵯ.H,ᵫὶᵯᔜz{Ḅᵯ|g'bzz{Ḅᵯ|6V,W,zḄᵯ00.3A,᪷`ὶᵯḄᵯᱯ¢'b/=/ᵬ+/=0.3A+0.3A=0.6AᦑC\D.Eᵯᵬ£ὶᙠ6Vᵯ.H,o¤¥/ᵬ=/¨4=-6Vᵫa'bE,Ḅᵯ0.2A,ᡠ(ᵯ#=$=ᵫᦑD┯2ᦑ⌱C5ஹCூ7᪆A.ᵨ©ª«¬®¯Hᑏ┯Ḅ±0V«¬c¯²³ᨵg´Ḅµ¶0·¶ᦑA┯2;B.ᑖwஹPw¹&ᾙ»T¼½ᑮ0ᙠᐝ¿ÀÁ®ýᑮᦑB┯2;C.ᔣÄÅ<ÆᐭÆÇÈ<É,³Ä<ÇÊ0VÇÈ<ᑖwËrᑮ<Ì☢ḄÎ~ÏÐᦣÓÔÕªᑖwᙠÖרᙢXÚÛᑣËrᦑc\;D.ᑖw³Üᨵµ¶Ãᨵ·¶ᦑD┯26ஹDoூ7᪆ᵫÐᵯḄᜧ&Ýc?DÞßḄVàᨵᐵcz{Ḅᵯ|ஹ%ḄᵯᙳÚᐵV?Dz{Ḅᵯ|ᜧ,ᐸᵯÃᜧãὅḄᓾ0ḄᦑD0\Ḅ7ஹA
13ூ67A.“3600r/kW-h”⊤çᵨᵯᘤéêὑIkW.hḄᵯT,ìᵯT⊤íîí36()0r,A⚗┯2ᦑA⚗ᔠ⚪;B.ᵯT⊤Ḅçᦪ8633.5kW-h,B⚗\ᦑB⚗ᔠ⚪;C.ᵯT⊤⊤îí360íêὑḄᵯT360rW==0.1kWh3600r/kWhC⚗\ᦑC⚗ᔠ⚪;D.ᵯT⊤ᐕòᐭᵨᵯᘤḄᨬᜧô᳛P=UI=220VX1OA=2200WD⚗\ᦑD⚗ᔠ⚪ᦑ⌱A8ஹAூ67ᵫᵯa'bEK¢K2ஹ3,ᵯᵯröḄ÷ᓫᵯᵯᔿúᔿûúEK¢K1ஹ2,ᵯröᵯüý+,þÿᵯᔿᔿᦑAᔠ⚪ᵫᵯ1ஹ2ᵯᵯḄᓫᵯᵯᔿ!ᦑBᔠ⚪ᵫᵯ1ஹ2ᡈ2ஹ3ᵯ#ᵯ$ᵯᔿᔿᵯ%&'(ᵯᓫ)ᓽ%&ᔿ+ᦑCᔠ⚪ᵫᵯ1ஹ2ᵯ#ᵯ$ᵯᔿᔿ2ஹ3ᵯᵯḄᓫᵯᵯᔿ!ᦑDᔠ⚪ᦑ,⌱A.9ஹCூ/0⌕345ᙌᢝ89◤;<ᣚᔣᘤᓽᵨAᑐCDEF5ḄGHIEᐰKCᣵMENCOᕜQRS
14~ᓣQ$ḄvḄᨵᵨxQ${|gᜧvḄxxᑣᨵᵨxxḄAᦔ᳛{|ḄgᜧA{|}Ḅᦔ᳛ᦑc┯tD.;ᜧᱥ]g~ᓣḄevḄᨵᵨx;ᜧxe᪵ᨵᵨxxḄeᜧ{|}ḄᦔeᜧᦑD¢£11ஹDூ/0ᵫᵯ⍝¥ᵯ¦{e¦ᘤ§ὶᵯ©⊤«{e¦ᘤDEḄᵯ©{ᱏ®{ᔣbEe¦ᘤᐭᵯḄ¦;ᜧᵫ§ὶᑖ©⍝ᵯ©⊤±ᦪ(e¦ᘤḄᵯ©)c;ᜧᵫRPµRe¦ᘤḄEᵯ©⊤±ᦪ;ᜧ·2V,ᡠ¹᪷»⚪⍝{ᱏᙠbᵯ©⊤Ḅ±ᦪ4V+2V=6V:½¾ᙠl()sᑁ¥ᵯ¦ÀÁÂḄÃÄ36J,ᵫ=Å/⍝ÇḄ¦ÄrÈ=É=(12VÊ6V).IQs=ioR2,36Jᵫᵯ⍝{ᱏᙠ4e¦ᘤᐭᵯḄ¦0,ᵯ®ḄᵯËᨬᜧÁÂᵯ®ḄᨬᜧᵯËÄr,U12V…/ᨬᜧ="=77K=L2A>ᦑA┯t11'17V-4V§ὶᵯ®ᔜᜐḄᵯËQÏ{ᱏᙠ®ᵯ®ḄᵯËÄr/=»=0.8A,ᵫÐ=⍝10s010Qᑁ{e¦ᘤÑὑḄᵯÄrÓ=4VxO.8Axl()s=32J,ᦑB┯t;,U.12V-6V“A{ᱏᙠbe¦ᘤᐭḄ¦ᨬᜧÕᵯ®ḄᨵᨬAᵯËr/ᨬA=U=sc=06AᵫP=0⍝,A.1P4VxO.8A8R{e¦ᘤKᐜØDÙÑὑḄᵯx᳛ÚÄr~76VxO.6A-9'ᦑC┯t;PRP(12V-4V)xO.8A16ᵫÛÜ⍝'RᐜØDÙÑὑḄᵯx᳛ÚÄrÞ=(12VT6V)xO.6A=§'ᦑD¢£.12ஹCூ0᪆ᵯáÄᵯ~âᵯ©Ḅãµᵫ⚪⍝äåÄᵯáᵨᵯᘤᓽæᐝÊé~â·ᵯ©ᦑA¢£ᵯ₹Ḅ¥ᔣoëᡂᵯËᵫ⚪⍝íᔠḄᵯ®ᨵᵯËᡠ¹Õᵯ®ᨵᵯ₹ᙠæÂ¥ᔣoᦑB¢£ᵫ⚪äåÄᵯáîïḄÄᓄñâᵯḄòó®cᓄñ9ᓄᵯᦑC┯tcUäåᵯô§ὶõᩭöᑮḄᵯ©ÄøUᵯôḄᵯ©Ú#¹~ᵯ©ᦑD¢£ᦑ⌱C.ùrú⚪ûüäåᵯôὃþḄÄᵯáÿḄᓄὶᵯḄᱯ⚪13ஹDூA.⁚ᵯḄᵯ!"#1.5V,ᦑA%&ᔠ⚪(;B.*+,ᵨ./Ḅᵯ*"#5A01ᦑB%&ᔠ⚪(2
15C.4567ᐰᵯ!#%936V,ᦑC%&ᔠ⚪(2D.:ᐝ<=>?ᐝḄᵯ*ᙠ0.18A01ABC᳛ᙠP=W=220Vx0.18A=40W01ᦑD&ᔠ⚪(ᦑ⌱D14ஹBூA.0GᑖᵯIὶᐭᵯKᱏᔣ0NOᵯIPQᔣ1NOᵯIRᜧKᱏPT01NOᦑA┯V2B.0GᑖᵯIὶᐭᵯWKᱏXKᑮᨬ1[\]^_`Kᱏaᔣ0NOᦑB=b2C.0GᑖᵯIὶᐭᵯWKᱏXKᑮᨬ0[\]^_`Kᱏaᔣ1NOᦑC┯V2D.KOcIᘤeᐭfg┯Vh᪵eᐭKOcIᘤIj#Bjklm᪵KOKᱏnᵯ*%cᦑD┯V15ஹDூW#opᵨqr᥅tḄuᴻwᦑuᴻwxy=ᵯW#oz{|~zoyᵯ₹ᦑzᳫBy=ᵯ2W#ᵬoஹᵬz☠`{|ᔾᵬTyᵯT%yᵯᦑ⌱D16ஹBூA.jpᧇḄᱯឋaḄᨵᐵkᐵᦑA┯V2B.ᧇᐙᑖTRᜧᨵᦔᑭᵨḄT¡9¢Ḅᦔ᳛ᦑB=b2C.jpᧇḄᱯឋaḄᨵᐵ£¤Ḅ¥kᐵᦑC┯V2D.¦§¢ᡈᡈ¥Ḅᨵᦣᜫ«◤⌕®¯᥅t°ACW²¢³ᦔ᳛%´ᑮ100%,ᦑD┯V.17ஹCூA.ᦟ·¸a<ḄᵯC᳛#40W,<¹Ḅᵯ*#,P40W…1=—=-------«0.2AU220VᦑA⚗%&ᔠ⚪(2B.»¢ᵯḄᵯ!"#3.7V01ᦑB⚗%&ᔠ⚪(2C.¼ᨔᵯ¾¢ḄᵯC᳛"#100W01ᦑC⚗&ᔠ⚪(2D.,¸ᵯ¿┡ḄC᳛"IkW,ÁÂ1Q`ὑᵯ"#W=Pr=lkWxlh=lkWhᦑD⚗%&ᔠ⚪(ᦑ⌱C18ஹD
16ூA.ᵯ!pÄᡂḄᵯ*ḄÆW%ÇÈᵯ*Ḅcᓄcᓄ.²⌱⚗┯V2B.É6Ê[Ḅᵯ!#Ë`ᵯ*#ËÌÉ6ᵯI%#Ë.²⌱⚗┯V2C.É6Ḅᵯ*ÍᜧÊ[ᵯ!ÍᜧÌᵯI%c.²⌱⚗┯V2D.ᙠᱥᳮÐÉ6ḄᵯIÊ[Ḅᵯ!Ñ+Ḅᵯ*ḄÒj.²⌱⚗=b.19ஹCூÓÔḄÕᙶ᪗⊤ÙᵯIÚᙶ᪗⊤Ùᵯ*pÛÜÒÝÞᦪÓÔW²àᵯ!B`ᵯ*ÈᵯIḄRᜧPQᓽᵯ*ᵯIᡂÜÒ.ᦑ⌱C.20ஹCூ᪆A.᪷äwåæçèépW#ᑖêëḄìíᜧî⊝ìíðᜧ~ðᑖêë⊤ñ#ᜧḄðA┯V2B.ò⌴Ḅ+ôp9õᱥ6ò⌴ö÷õḄᱥ6ᵬᱥ6ø?ò⌴özᱥ6ᵬᱥ6ḄõùÒzᱥ6Ḅ9B┯V2C.W#úḄÒûᜧ{üḄúᐸþᱥüÒᓣḄᔾᦈḄᡠ〉ᔠᓾᑺCD.ᦣḄ᠒ᨵᐵ!ᑖ#$%!ᒓ'ᦣ!()*ᐭ,Ḅ-*ᐭ,Ḅ-ᦣḄD┯/21ஹDூᑖ᪆5᧕7ᵯḄᱥ:;7:<5᧕7ᵯḄᱥ:;=>:?@Ḅ7:ᒹBCD:ஹᜧᙢஹᔜHIJஹ⏚LMḄNOP?@Ḅ=>:ᨵ◌RஹSᴻஹUVஹWP7:X=>:Yᨵ=ZḄ[▲ூ]^A.Sᴻஹ◌RஹD:,SᴻX◌RJ_=>:D:`7:ᑣA:hijḄᩞᧇ`mJ_7:ᑣB:ᑣC:Ḅᭆ,?@Ḅ,ᱥ:7:ᱥ:=>:J_Ḅᑁ5ᓫ22ஹBூ]^A.%ᘤᱏPᔣ%%ᘤḄᵯᜧRiXR2ὶᡠᵯ,Ḅᵯᜧ()ᵯ⊤Ḅᦪ¢ᵯ£⊤¤¥Ḅᵯ£᪷§ὶᵯḄᑖ£¨ᳮªᑮᵯ£⊤ḄᦪᜧᦑA⚗
17B.ᵫA⌱⚗Ḅᑖ᪆ªᑮB⌱⚗¯⊤ḄᦪᓄᦑB⚗C.ᵫA⌱⚗Ḅᑖ᪆ªᑮC⌱⚗¯⊤Ḅᦪᓄ<ᦑC⚗┯/D.ᵫA⌱⚗Ḅᑖ᪆ªᑮD⌱⚗¯⊤Ḅᦪᓄ<ᦑD⚗┯/23ஹBூ]^±²²ᐵS2³´µ¯¶Ḅᵯ£ᜧ¢·`P_ᵯ¸ᵯ£ᜧ¢´µḄᵯᜧ¢<¹º᪷§/¼½¾´µḄᵯᜧ¢<ᓽA1ᦪ<±²²ᐵS2³ᵯYᨵᵯ¾ᵯ⊤A2¤Ḅ`ÀᵯA2ᦪÁ¢ᦑ⌱B24ஹAூ]^A.ïᙽÅ☢ÇÈḄhᙽ£ᙠÊËÌÍÎÏÐᔠᙠÊËÑÒᑖ#ÓÔᙠÕÖᦑA┯/Abᔠ⚪d;B.ØÙ´Úᵯ³ÌÑÒᵯÛ¼ÜᓄᑁÛᦑBBDூᑖ᪆²ᐵS1òᔠஹS2±²QXR2ôᡂḄ`Êöὶᵯ²ᐵ÷ஹS2øòᔠR2ùúᵯ,ûᨵR,üÐᔠýþR=XὶᵯḄᵯÿ᳛ᱯᑖ᪆ூR&ὶ᪷/='ᵯḄᵯRᵯ!"ᨵ$᪷/=2%Ḅ&:RUUᔆ0.8Aᵯ—(ᵯ)*ᢝ,>-_.BḄ_&-'0.2A0.8A0.8A᪷P=/2Rᵯ%/0Ḅ1᳛23:4IRU3U…PI&0.8A0.8A2ᦑ⌱D
1826ஹDூ᪆89!ᨵᜧ;Ḅ<✏ᑖ>?@Aᑮ<✏CDᑖ>ᙠ,FḄGHIᑣKLᦑ⌱D27ஹAூA.LiMᵯN⊤AiPᦪ-RᐸTᵯ⊤Pᦪ,-ᦑAUᔠ⚪XYB.LiZL2[ᰐ]ᵯN⊤A2ᵯ)⊤Pᦪ^-RᦑB,Uᔠ⚪XYC.L2MᵯN⊤AiA2Pᦪ^-RᦑC,Uᔠ⚪XYD.L2ZLi[ᰐ]ᦑD,Uᔠ⚪X28ஹCூᵫ⚪X`ᐵS1ᡈ`ᐵS2ᙳdeᵯᡠ$SiஹS2gὶ`ᐵS3M`hi┝1?ᨚFCDS3lmᵯn.ᦑC⚗Uᔠ⚪XY29ஹBூᑖ᪆qrstḼCDᐝtwxᵯ!Lyᜮ{ᨵ/☟yᜮᑖ}᪷ᵯ~ᐵூA.ᵯ~!Ḅᵯ~~ឋ,᧕᧕ᔣᔾ⊖Lyᜮ/☟yᜮᑖ}ᦑA⚗,Uᔠ⚪XYB.ᵯ~ᙌḄᦪᵯ~~ឋ᧕ᔣᔾ⊖Lyᜮ/☟yᜮᑖ}ᦑB⚗Uᔠ⚪XYC.L-ᘤᱏPᔣLL-ᘤdᐭᵯᵯ-ᜧᵯN-Rᵯ~~ឋ,᧕᧕ᔣᔾ⊖Lyᜮ/☟yᜮᑖ}ᦑC⚗,Uᔠ⚪XYD.¡¢ᑴᵯᵯ(ᵯ)ᵯ!ᵯN-Rᵯ~~ឋ,᧕᧕ᔣᔾ⊖Lyᜮ/☟yᜮᑖ}ᦑD⚗,Uᔠ⚪Xᦑ⌱B30ஹAூ¤¥᥅§¨Ḅ©ᴻ«¬ᵯ©ᴻ«ᔾ®Rᱥ°®Rᱥ°?¬±ᵯ?,¬ᵯᦑ⌱A²ஹ³8⚪´µ81ᑖᐳ10⚪20ᑖ·31ஹ36%ூᑖ᪆᪷¸=2■Ḅ-º»¼q½ὑᵯ?Ḅ¿¡Y⍝qÁ½ὑḄᵯ?ÂÃ□?ÅᓄḄᨵᵨ?;È᪷t"=Êஹ100%,?;Åᓄᦔ᳛QCூqÁ½ὑḄᵯ?W=Pt=40Wx60x3600s=8.64xlO6JGÃ□?qḄ?;Åᓄᦔ᳛:
197=^-xlOO%=8.64x1?JXi%=36%Q2.4X107J&32ஹZᵨᵯᘤḄ1᳛¨ᜧூ᪆ᙠÏÐᵯ!ÑᵯN¨ᜧ89`ᐵ“ÓÔ”ḄÖÑᨵ1ᵯ!רZᦑÙY2ᵯ!ᵨᵯᘤḄ1᳛¨ᜧ⌼ᡂnᵯN¨ᜧ33ஹ1.536gὶூ1ᵫÜÝÞ⁚nᵯàḄᵯ)ÂL5V2áâ°Ḅãᐰᵯ)å,æm36Vçèéᵯêëஹì⊟iஹᵯîiÊÏᵨᵯᘤwxï,ðñåòóôgὶᵨ34ஹõö3÷ூ᪆ᵫmøḄ3÷3ṺúᜧÑ0ṺúᙠûᜩᓣþõöÿᜩᵫᦑḄ"Ḅ#$ᜧ35ஹ4.42.4x10sூ)*পᵯ./Ḅ012᳛4P=t7/=220Vx20A=4400W=4.4kWফᵯ./67ᨵᵯ9:;#<ᜫḄᵯ>"4Q=I2Rt=20A2xlf2x600s=2.4xl05J.36ஹᜧᜧூᑖ᪆BCᐹᨵEᵯឋEGEHIJKᵯLMJNᩭḄᵯPQRPRP$᧕TUᵯPᡈWᡂYZ.ூ)*"\BCC]EG\^ᩩ`aḄ\☢IJJcᵯdḄef⌼ᡂRP᪵ᵯjklᜧ\^ᩩmᨬoᜐḄᵯ9ᜧ᪷rQ=FRtᵯPmstᜧu#uvwᑮ┱^ḄḼY{:v|}T.37ஹᝍᱯᵯூ*᪆1H820ᝍᱯ;ᵯjḄᦔᵯjᕜᙠ21831;ᵯ38ஹC5ூ)*1ᵫAmḄᐵᡠ¡¢£¤¡¢£¤K/¥>¦ᓄ"ᑁ>Ḅ©¤BmḄªᐵᡭᡠ£¤CmḄᐵ®ᡠ¯2£¤¯2£¤Kᑁ>¦ᓄ"/¥>Ḅ©¤°±☠³´Ḅµឋ¶ᡂḄ£¤DmḄªᡭᐵ®ᡠᔾ£¤¸ᡠ¹Kᑁ>¦ᓄ"/¥>ḄCফº£¤»¼/Ḅ³´¦t600r/min,ᓽ¾¿À¦10r,¶ᡂ20Á£¤5ÁÂÃÄÅÆ¯25È
2039ஹ¯2#É⌴ூ)*প[2]“ÌÍ”vÍᑮᨨÐC]¯2ᦋÒᱥGᑁ>ÆḼÔ“Õ”Öᨨ#É⌴©¤C]ש#É⌴ᦋÒᱥGᑁ>40ஹᵯ9ᵯjAூ)*Ø]ᵫ`Áᵯ9Ú°ÛḄᵯ9ÜὶᵯjÞÛᵫßᑴÒuáâḄᵯjשEGḄ#uãᵯ9ᐵäḄåæ[2]ÜὶᵯPmᵯjᜐᜐÞÛK`çᵯ9èéᡂÜὶᵯPÛ×ᵯÛêᵯᡠë⌕íḄvᵯjÐ×ᵯîᢝÞÛবEGᵯ9ãEGᩞᧇஹóஹôõ☢öᨵᐵᙠᩞᧇãóÞ÷Ḅøù®ᵯ9ãEGôõ☢öᡂú"AmḄᵯ9û]BmḄᵯ9ᑣAmḄôõ☢öᜧ]BmḄôõ☢öýஹåæ⚪ÿ1ᑖᐳ2⚪15ᑖ41ஹᓣᦪᵯᵯூ1ᵯḄ!"#$%&'()*+,Ḅ-ᓄ/01ᑁ᯼4+,Ḅ-ᓄᩭ689ᙠ;1<=ᐭஹ?+@ABḄ᯼4CᔠEᐵGHIJ/0+,KᓣLMᑨOᵯPḄ!".ᵫSḄTU<ᵬஹW;1<ᵯPXὶ᪷[Xὶᵯ\Ḅᵯᱯ^/_;`ᵯᵯAᓽ/ᵬ=/WᵯIJABᦑefḄgᵯḄhᵯᜧḄᐵjk2ef“#BᱥḄᔾ$o”ḄqrᑣᙠᵬஹW;1ᑁᣚᵨஹ?+@ABḄ#B*vwᵬW;x1<ᵯPḄyAB.ᓽᵯPḄyRᓫ=RWIABḄIJ;ᵯP{ḄABk+,K“|+,Kb+,ᓣ}~ᑣᵬḄ|WḄ|.ூ^ᵯḄ!"#$%&'()*+,Ḅ-ᓄ/0*☢,Ḅ-ᓄᩭ6ẆfᣚkᵯḄhᵯḄᜧஹᵯḄᜧஹᵯIJᨵᐵᵫᑴ-ᑖ᪆qrḄk᪷[ᑴ-Ḅ⌕ᑴ#B*ḄᵯPyABkABḄ#BᱥᔾᦈAḄ+,ᓣ~ᔾ$o|.42ஹ᪆\0.6ᜧS/Mூ᪆1᪷[⌕-ᘤᱏPᔣ£¤I¥¦-§ᡠ0©ª&-ᘤḄ£«ᓽB&¬ᑮ¥¦Ḅ¯°S
21(2)ª&ᵯ\²CᔠEᐵ³´¥¦#³ᐝᵯ⊤ᦪ#·¸ᵯ\gḄᵯ¹⊤ᦪ·¸/$ᵯ¹⊤º\»ᡠ0ᦑ¼/$gᵫ¥¦\½¾Ḅ(3)À¥¦Á³ᐝIᵯ⊤ᦪSWᡠᵯ⊤wᵨÃᑖ,y·0.02A,ᵯ·0.24A,ᑣ¥¦ḄÄÅÆ᳛·=ÈÈ=2,5Vx0.24k=0.6Wᙠq▭Ê<ᵯ¹⊤ᨵᦪIᑁËᨵÌḄᵯÍὃ⇋`ÌᵯḄÐÑᓽᵯ⊤ḄᦪÒᜧ¥¦Ḅq▭ᵯ\ᡠ0ᡠÊ¥¦ḄÄÅÆ᳛Óᜧ(4)ᑭᵨSÕᡠḄᵯ\Ö/0×ᡂÙqrÚ×ᡂ«ᑡÜ(ᵯÞᵯ¹#-RiR2·-ᘤR2Ḅᨬᜧᵯ·Ro)জáCᔠEᐵS,ã⁚R2,wᵯ¹⊤Ḅᦪ·2.5V,ᓽᵯ¹·¥ḄÄÅᵯ¹ঝáCᔠEᐵS;ã⁚wᵯ¹⊤Ḅᦪè·2.5V,9IRi{饦gᦔḄঞ&ḼíR2ḄᱏPãîᨬ¯°ï«ᵯ¹⊤Ḅᦪ·U”ᓽᵯÞᵯ¹·U”ðíR2ḄᱏPãîᨬ£°ï«ᵯ¹⊤Ḅᦪ·U2,9IR2;°Ḅᵯ¹·/-;ᵯ·òk᪷[óôÅõ}Ri9IḄᵯ·1===ö=ᡠ0¥¦ÄÅÆ᳛Ḅ⊤÷ø·:^ú^gᨬ²Gû⌕ᳮ9ýᨵᵯ⊤ÊᵯÆ᳛Ḅþᳮ9ᑭᵨ»ᦔḄþᳮᓽ¥RiᑖÿR2ὶᵯ⊤ḄᦪḄᵯᵯR1ᦔḄᓽR1ḄᵯᐝḄᵯ☢Ḅᮣ"#ᵨ%&'()RiḄ⊤*+ᨬ()-.᳛Ḅ⊤*+1ஹ34⚪(7⚪10ᑖᐳ2⚪20ᑖ)43ஹ(1)24;(2)1.1A(3)144J„ூ>?(1)-ḄᵯA
22DB6W*FBG-ᐝḄᵯUஹ»!12V=24;ফCSஹSiDᔠFᱏPHIᑮᨬKLRo-LMὶᵯA⊤NOPQᵯA;ᵫ-LᐝᑣᵯTᵯ=⚞=12W;XYKoḄᵯA:U12V>H₹J>ᵫ-Lᐝᑣ[L=/*0.5AᵯA⊤Ḅᦪ/=/„+71=O.6A+O.5A=1.1AবCSDᔠஹS1\]^FᱏPHIᑮᨬ_LRo`ᘤRḄᨬᜧcὶᑣᵯQḄdᵯeRd=Ko+R=200+400=60Q,IminᑁᵯQgḄhiḄjOeU2(12V)2Q=W=B>=----x60s=144J(>R60Qke(1)-LᐝḄᵯ24C(2)SஹSiDᔠFᱏPHIᑮᨬKL-LᐝᵯA⊤Ḅᦪ1.1A(3)SDᔠஹSi\]^FᱏPHIᑮᨬ_LXᵯIminᵯQhiḄdjO144J44ஹ(1)6Q(2)3.375W(3)3Q-12QẆஹ(-RK2(3V)2ூ>?পR=-^-=7-^77=6QL/L5W(2)C]ᐵSஹSiஹSDᔠS3\]RiஹnMὶ-oQᑣ⌕.᳛ᨬqFI`ᘤrFsᨬᜧc152ᜐUU4.5V4.5Vf+4=__I___=____+____=0.75ARiR10Q152P=UI=4.5Vx0.75A=3.375Wmin
23(3)C]ᐵSஹS3DᔠSiஹS\]-Luvὶᵯ⊤NOFI`ᘤᵯ2U”ஹ3V/=x=y=05zᑣᵯQ{|}ᨬᜧᵯA0.5A,~rᵯQᵯU4.5V2n=77=ᑣR?ᨬqv=Rd=9Q-6Q=3Qᵯ⊤ᨬᜧ{|}ᵯ3VN=^1^=O.25A6QU3VᑣR1ᨬᜧRmz=3^=------=12Q"/'0.25Aᦑn3~12ூᢕᵯ⊤OᨬᜧᡈᨬqᵯᵯAc⌕FI`ᘤn-ᵯAḄ.