}ĿW(xu)Ƽ(chung)СM÷yСݵԴ늉3VyСݵ~늉2.5V
1ՈùP挧(do)ɈDЌ(sh)·BҪ
ƬPƄӕrʾ(sh)׃
Bܽ
_______
2z·o`]_P(gun)ݲ늉ʾ(sh)ʾ(sh)(do)@һF(xin)ԭ_____
A늉· B늉· C׃· DСݔ·
3ų]_P(gun)(dng)׃ĻƬPƵijһλÕr늉ʾ(sh)DʾҪyСl(f)r裬(yng)׃ĻƬ_____Ƅӣxҡ
4ͨ^Ƅӻ׃ĻƬPӛ˶M(sh)(j)DʾIUDɈD֪Сl(f)r_____
Ŀ Դ }ͣ
}ĿͬW(xu)ڏ(f)(x)جF(xin)늌W(xu)(sh)龰l(f)F(xin)ʾ·ɺܶ(sh)Č(sh)xȡ(bio)С2.5V֘ӵС L1M(jn)Ќ(sh)
(1) ССMM(jn)СоС衱Č(sh)ռӛ䛔(sh)(j)L1l(f)r_____ɋм(x)l(f)F(xin)ССMӛ䛱в֮̎Ոfԭǣ_________
(sh)̖ | 늉U/V | I/A | Rx/ | ƽֵRx/ |
1 | 1.7 | 0.14 | 12.1 | 12.3 |
2 | 2.5 | 0.20 | 12.5 | |
3 | 2.2 | 0.18 | 12.2 |
(2)Сl(f)F(xin)ԓD·ҲM(jn)СоС늹ʡČ(sh)ڃɌ(sh)жҪ^첢ӛ䛟ݵİl(f)rĿķքeǣ_______________________________________________ɂ(sh)ռC(j)еĹͬc(din)У_____
(3)ɋСMJ(rn)ԓD߀о늹cP(gun)ϵ
ٳDЌ(sh)߀(yng)ԓa(b)ǣ_____
ھwf(sh)ӿ늉׃_____
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Ŀ Դ }ͣ
}ĿDʾ@ijͬW(xu)yС~ʵČ(sh)bÈD
(1)Сݵ~늉3. 8 V늉ġ0~15 V̓pģԴ늉6 VՈùP挧(do)(j)ṩČ(sh)Da(b)
______
(2)·zo`]_P(gun)l(f)F(xin)oʾ(sh)늉ʾ(sh)ҟoՓƄӻ׃ĻƬݶ·ֻһ̎t___________
(3)ųϺҪyСݵ~ʣ(yng){(dio)(ji)׃ʹ늉ʾ(sh)_______V˕rʾ(sh)0. 3 AtСݵ~_____W
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}ĿDʾСyδ֪RxČ(sh)·Դ늉׃R0ֵ֪Ķֵ(dng)]_P(gun)S1S2rʾ(sh)I1(dng)ֻ]_P(gun)S1rʾ(sh)I2tĂxRxı_(d)ʽ_
A. B.
C. D.
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}ĿСͬW(xu)һDʾb]_P(gun)ʹ(do)wabˮƽƄl(f)F(xin)(do)wcdҲS֮\(yn)ڴˌ(sh)
(1)(sh)bеļײ(yng)õԭ_______________.
(2)(sh)bеҲcd\(yn)^УnjD(zhun)_________
(3)b_________(סҡ)֮a(chn)ĬF(xin)c늄әC(j)ĹԭƵ
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}ĿСDʾܱyijƷ늟ˮصČ(sh)HyrСM(jn)еIJ_______^쵽ָܱʾ3min(ni)Wq80Σt늟ˮ،(sh)H_______W(dng)ˮĜض{r@ͨ^_______ķ׃ˮă(ni)ܣDABCԓ늟ˮز^_(dng)ˮعrcBIJ________늰ȫ@_^LIJ________
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}ĿDʾԴ늉㶨׃]_P(gun)׃ĻƬPbƵijc(din)c^늉ʾ(sh)4V׃?yu)?/span>3Vʾ(sh)0.2A׃?yu)?/span>0.3Aɴ˿֪
A. Դ늉7V
B. R1ֵ20
C. ·ĵСʞ1.2W
D. ƬPb˕r10(ni)R1a(chn)ğ12J
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}ĿD(a)ʾһעMˮһBˮڣˮУ(dng)һAˮڣ̎ijһ߶ȕrˮԄӏA@NF(xin)F(xin)оγɺF(xin)ėlijСMͬW(xu)θ׃ABԼˮĸ߶(sh)F(xin)D(b)(c)(d)(e)ʾ
Сl(f)F(xin)D(d)(e)]аl(f)F(xin)óY(ji)ՓעMˮ(dng)ABrl(f)F(xin)С(j)D______ĬF(xin)J(rn)СĽY(ji)Փ`
С^D(a)(b)(c)A̎ĸ߶õl(f)F(xin)ėlǣעMˮ____
M(jn)һóֻЈD______ͨ^ˮеˮȫꡣ
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