}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)ͨ^ҲR=U/I (dng)늉׃r(sh)Խtͨ^ԽI=U/R (dng)һr(sh)Խtɶ˵늉ԽU=IR_}
Ŀ Դ }ͣ
}ĿһKڝȼs70ľƾҺУȡչ_ӊAסɽûc(din)ȼDʾ(dng)ϵĻϨßop(du)@һF(xin)_ǣ
A.@ħg(sh)㿴һN
B.Ĝضȵc(din)
C.ϵˮʹĜضȵc(din)
D.ƾȼʹc(din)
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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.
늹 | |
ʽ | P=UI=U |
Д | ڲ(lin)·늹cɷ |
C.
| |
ʽ | P= |
Д | d܇r(sh)ҪQõٙnλ |
D.
(qing) | |
ʽ | P= |
Д | ≺(qing)S߶ȵӶ |
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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)
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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
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Ŀ Դ }ͣ
}Ŀ̽l(f)Ҳ(dng)?
}ӕr(sh)҂ ۅsҊ(dng)Ƿ(dng)? ʲôCڰl(f)ͬr(sh)Ҳ(dng)?
(sh)(yn)O(sh)Ӌ(j)
DʾϹ̶һСKƽR̫(yng) (Ͳl(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>>
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