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        1. Ӣҽ̾W(wng) > > }ĿԔ

          }ĿСMСϣС(mng)O(sh)Ӌ(j)·DM(jn)Ќ(sh)(yn)(sh)(yn)(sh)(j)ӛڱDʾ·Dc(sh)(yn)(sh)(j)(du)(yng)ǣ
          A.СM
          B.Сϣ
          C.С(mng)
          D.(du)(yng)

          𰸡B
          ⣺·пֵ֪Rc(dng)׃“(lin)
          (dng)Ƭƕr(sh)·е׃С·еĿ׃С
          I= ֪·е׃
          U=IR֪Rɶ˵늉׃
          “(lin)·п늉ڸ늉֮ͣ
          (dng)׃ɶ˵늉׃Сt
          A늉“(lin)Rɶ˵늉(dng)ʾ(sh)r(sh)늉ʾ(sh)СM·Dc(sh)(yn)(sh)(j)(du)(yng)
          B늉“(lin)׃ɶ(dng)ʾ(sh)r(sh)늉ʾ(sh)pССϣ·Dc(sh)(yn)(sh)(j)(du)(yng)
          C늉“(lin)Դ(dng)ʾ(sh)r(sh)늉ʾ(sh)׃С(mng)·Dc(sh)(yn)(sh)(j)(du)(yng)
          xB
          c(din)}Ҫ˚Wķɼ䑪(yng)õP(gun)֪R(sh)c(din)Ҫ՚Wķɵđ(yng)ã ͬһ(g)ֵ׃c늉oP(gun) @(g)ɶ˵늉r(sh)ͨ^Ҳ󣮣R=U/I (dng)늉׃r(sh)Խ󣬄tͨ^ԽI=U/R (dng)һr(sh)Խtɶ˵늉Խ󣮣U=IR_}

          (x)(c)ϵд
          P(gun)(x)}

          Ŀ Դ

          }ĿP(gun)ڼt⾀⾀f_

          A. 0 µwl(f)t⾀

          B. ۿֱ^쵽⾀

          C. t(y)Ժн(jng)⾀ķM(jn)

          D. ضԽ͵wݗ̎ļt⾀Խ(qing)

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿһK޲ڝȼs70ľƾҺУ͸ȡ͸չ_ӊAסɽûc(din)ȼDʾ(dng)ϵĻϨßop(du)@һF(xin)_ǣ

          A.@ħg(sh)㿴һN
          B.Ĝضȵ޲c(din)
          C.ϵˮʹĜضȵ޲c(din)
          D.ƾȼʹ޲c(din)

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀl(wi)gϴ^ˮ,҃(ni)IJR׃ģ,^һΕr(sh)g,R׃.Rϰl(f)@ɷNF(xin)B(ti)׃ǣ

          A. Һ, B. C. Һ D.

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿСϣ(du)W(xu)(x)Ӌ(j)㹫ʽM(jn)ƌ(do)Lԇ(yng)@ЩʽY(ji)һЩҎ(gu)һЩF(xin)Ă(g)x(xing)(yng)ƌ(do)ʽДF(xin)e(cu)`ǣ
          A.

          C(j)еЧ

          ʽ

          = = = =

          Д

          ݆MęC(j)еЧcwĸ߶ȟoP(gun)


          B.

          ʽ

          P=UI=U =

          Д

          ڲ“(lin)·늹cɷ


          C.

          ʽ

          P= = =Fv

          Д

          d܇•r(sh)ҪQõٙnλ


          D.

          (qing)

          ʽ

          P= = = =hg

          Д

          ≺(qing)S߶ȵӶ

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿСIͨ^^߅һЩF(xin)óһ(g)Y(ji)Փw\(yn)(dng)@(g)w\(yn)(dng)͕(hu)ֹͣՈ(qng)߅Ʒ?q)?yn)O(sh)Ӌ(j)һ(g)(sh)(yn)fСIĽY(ji)ՓDz_ģ
          1xõƷ?q)?yn)ģ
          2(jin)(sh)(yn)^̼(sh)(yn)F(xin)

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDʾˮTˮвͬȣҪʹÿͬĝˮfDzˮܳܵĺˮ(qing)Pa

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿСͬW(xu)̽늉P(gun)ϵr(sh)(j)ռĔ(sh)(j)Եõ_Y(ji)Փ

          A. һr(sh)S늉

          B. һr(sh)늉S

          C. 늉һr(sh)SpС

          D. 늉һr(sh)SpС

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ̽l(f)•Ҳ(dng)?
          }ӕr(sh)҂ •ۅsҊ(dng)Ƿ(dng)? ʲôCڰl(f)•ͬr(sh)Ҳ(dng)?
          (sh)(yn)O(sh)Ӌ(j)
          DʾϹ̶һСKƽR׌̫(yng) (Ͳ߼l(f)ļ) ƽRϽ(jng)ƽRډϳF(xin)һ(g)Сߣ

          ppÓ^쉦Сߵλʲô׃
          Ó^Сλõ׃
          ռC(j)l(f)•r(sh)l(f)F(xin)С
          óY(ji)Փ@f

          鿴𰸺ͽ>>

          ͬ(x)(c)