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      2024꼉(j)늌W(xu)֪R(sh)c(din)29l

      ԴW(wng)j(lu)YԴ 2023-08-27 10:31:08

      п}

      M(fi)I(lng)Y

      1·Դ_P(gun)(do)BMɵ·

      ·Dýy(tng)һҎ(gu)ķ̖(ho)ʾ·BrĈD

      2ͨ·̎̎ͨ·;

      _·_·;

      ·(do)ֱBԴɶ˵·

      3γɣ늺ɵĶƄ(dng)γ.(κ늺ɵĶƄ(dng)(hu)γ)

      4ķ򣺏ԴOؓ(f)O.

      5Դṩm(x)(늉)b.

      6ԴǰʽD(zhun)늳ǻW(xu)D(zhun);l(f)늙C(j)təC(j)еD(zhun).

      7ԴⲿķǏԴOؓ(f)O

      ·Ď׷NB(ti)

      ٴ“(lin)·Ԫ(g)혴BMɵ·д“(lin)·

      c(din)

      ֻһlͨͨ^һ(g)ԪһС׃ͨ^ڶ(g)ԪֻҪ·һ̎_(g)·_

      ڲ“(lin)·ԪеB·c(din)gMɵ·в“(lin)·

      c(din)

      ЃɗllͨԪɪ(d)·_P(gun)(g)·;֧·_P(gun)ֻƱ֧·

      8гm(x)ėlԴ·].

      9(do)w׌(do)늵wЌ(do)w.磺,w,,}ˮҺ.

      (do)w(do)늵ԭ

      (do)wƄ(dng)늺;

      10^w׌(do)늵wн^w.磺,մ,,,ˮ.

      ԭ

      ȱƄ(dng)늺

      11ʹҎ(gu)t

      Ҫ“(lin)·;

      Ҫ"+"Ӿ,"-"Ӿ;

      ۱y(c)Ҫ^;

      ܽ^(du)S(jng)^BԴăɘO.

      (sh)(yn)гõЃɂ(g)

      00.6,ÿСʾֵ0.02;

      03,ÿСʾֵ0.1.

      12늉(U)ʹ·γԭ,(gu)Hλ(V);ãǧ(KV),(mV);1ǧ=1000=1000000.

      13늉ʹҎ(gu)t

      늉Ҫ“(lin)·;

      Ҫ"+"Ӿ,"-"Ӿ;

      ۱y(c)늉Ҫ^늉;

      (sh)(yn)ҳ늉Ѓɂ(g)

      03,ÿСʾ늉ֵ0.1;

      015,ÿСʾ늉ֵ0.5.

      14ӛ늉ֵ

      1(ji)늳ص늉1.5;

      1(ji)U늳늉2;

      ۼͥ늉220;

      ܰȫ늉ǣ36;

      ݹI(y)늉380.

      15(R)ʾ(do)w(du)K.

      (gu)HλWķ(Ω);

      ãךW(MΩ),ǧW(KΩ);

      1 ךW=1000ǧW;1 ǧW=1000W.

      16QС ,L(zhng),Me͜ض;(do)wСc늉СoP(gun)

      17(dng)׃

      ԭ׃辀·еL(zhng)ȁ׃.

      ãͨ^׃·е׃·е늉.

      _ʹãa,(yng)“(lin)·ʹ;b,ӾҪ"һһ";c,]_P(gun)ǰ(yng)ֵ{(dio)ĵط.

      18Wķɣ(do)wе,(do)wɶ˵늉,(do)wɷ

      ʽI=U/Rʽ׃R=U/IU=IR.

      ʽІλI→(A);U→(V);R→W(Ω ).

      19늹Ćλ(jin)Q̖(ho)J;

      ճгǧߕr(sh)늹Ćλ׷Q“”̖(ho)kw.h1=1kw.h=1000w×3600s=3.6×106J

      20ܱǜy(c)һΕr(sh)g(ni)ĵ()ٵăx

      A220Vָ@(g)ܱ푪(yng)ԓ220V·ʹ;

      B10(20)Aָ@(g)ܱL(zhng)r(sh)gSͨ^10̕r(sh)g(ni)^20;

      C50Hzָ@(g)ܱ50Ɲ·ʹ;

      D600revs/KWhָ@(g)ܱÿһǧߕr(sh)D(zhun)PD(zhun)^600D(zhun)

      21늹ʽW=Pt=UIt( ʽІλW→(J);U→(V);I→(A);t→).

      22늹(P) ʾĿ.

      (gu)Hλ(W);

      ãǧ(KW)

      늹ʵӋ(j)㹫ʽP=W/t=UI

      23~늉(U0)늉.

      ~(P0)~늉µĹ.

      (sh)H늉(U)(sh)Hɶ˵늉.

      (sh)H(P)ڌ(sh)H늉µĹ.

      (dng)U> U0r(sh),tP> P0;,ן.

      (dng)U< U0r(sh),tP< P0;ܰ,

      (dng)U= U0r(sh),tP= P0;l(f).

      24ɣͨ^(do)wa(chn)ğĶη,(do)w,ͨ늕r(sh)g,_(d)ʽ.Q=I2Rt

      ʽІλI→(A);R→W(Ω);t→(s)

      25ͥ·ɣM(jn)(𾀺㾀)→ܱ→_P(gun)→U(xin)→ȽM.

      26мͲDz“(lin).Ҫc_P(gun)“(lin)ӻ.

      27U(xin)zʴ,c(din)͵URϽƳ.

      ã(dng)·^r(sh),_(d)c(din)۔,Ԅ(dng)Д·,𵽱U(xin).

      U(xin)zc(din)

      ;c(din)

      28·^ăɂ(g)ԭ

      һ·l(f)·;^.

      29.ȫ늵ԭtǣ

      ٲ|͉w;

      ڲ߉w

             ݋]

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