}ĿW(xu)Ƽ(chung)СM÷y(c)Сݵ裬Դ늉3Vy(c)Сݵ~늉2.5V
1Ո(qng)ùP挧(do)ɈDЌ(sh)·BӣҪ
ƬPƄ(dng)r(sh)ʾ(sh)׃С
B֣ܽ
_______
2z·o(w)`]_(ki)P(gun)ݲ늉ʾ(sh)ʾ(sh)(do)@һF(xin)ԭ_____
A늉· B늉· C(dng)׃· DСݔ·
3ų]_(ki)P(gun)(dng)(dng)׃ĻƬPƵijһλÕr(sh)늉ʾ(sh)DʾҪy(c)Сl(f)r(sh)(yng)(dng)׃ĻƬ_____Ƅ(dng)xҡ
4ͨ^(gu)Ƅ(dng)(dng)׃ĻƬPӛ˶M(sh)(j)DʾIUDɈD֪Сl(f)r(sh)_____
𰸡 D 12.5
1Դ늉һr(sh)׃Д׃׃ДzL(zhng)ȵ׃ДĽӾ
2(du)·φ(wn)}һǶ··ȏʾ(sh)׃Д·ǔ·߀Ƕ·Ȼͨ^(gu)늉ДϾwλ
3x늉ʾ(sh)Ҫʹl(f)늉ʾ(sh)Ҫ׃Ȼ(j)(lin)·֓(dn)늉Խ֓(dn)늉ԽД
4ĈDxСݵ~늉~Сr(sh)衣
1Ƅ(dng)Ƭʾ(sh)׃СԴ늉һr(sh)·Ŀ׃(dng)׃׃ӾҪ˵AӾD
2]_(ki)P(gun)ݲʾ(sh)f(shu)·ǔ·늉ʾ(sh)f(shu)늟·xD
3늉x03Vÿһ(g)1Vÿһ(g)С0.1V늉x(sh)2.1VСݵ~늉2.5VҪʹСl(f)늉ʾ(sh)Ҫ׃(dng)׃ɶ˵늉ҪpС(dng)׃ҪpСԻ(dng)׃ĻƬ(dng)
4ɈD֪С늉2.5V0.2A
Ŀ (li)Դ }ͣ
}Ŀy(c)ҺwܶȵăxܶӋ(j)뱻y(c)ҺwoֱֹxȡҺ̎Ŀ̶ֵDףDҺ͈DƵĺ(jin)ܶӋ(j)ľһp@һЩUzɵġʢвͬҺwăɂ(g)(hu)QֱҺwУ^쵽ĬF(xin)ДıҺwܶȴ
Ո(qng)شІ(wn)}
1ľһpUzǞ________________
2ܶӋ(j)________ly(c)ҺwܶԽܶӋ(j)_(ki)Һwwe__________xԽСԽ
3Һwܶ^_________xҡ
鿴𰸺ͽ>>
Ŀ (li)Դ }ͣ
}ĿƤׂ(g)С(sh)(yn).
1ÿ̶ȳߜy(c)DƤL(zhng)Ȟ_______cm.
2סƤײȥ(xi)e(cu)(yng)õ֪R(sh)_______Խ_______Խ
3ü(x)סƤһn_______nϣl(f)F(xin)_______F(xin)tДnˮƽġ
鿴𰸺ͽ>>
Ŀ (li)Դ }ͣ
}ĿÏɜy(c)Ӌ(j)Ғһ(sh)KK±cˮ愂ý|Dʾɴ̎·Kֱ](mi)ˮв^m(x)·ţKʼKδc|K·^(gu)Уɜy(c)Ӌ(j)ʾ(sh)FcK±ˮеhP(gun)ϵDʾ
1Kȫ](mi)ˮܵĸ
2Kܶȣ
3Ký](mi)ˮеh=10cm^(gu)ˮ(du)K±ĉ(qing)׃˶Pa?
鿴𰸺ͽ>>
Ŀ (li)Դ }ͣ
}ĿDʾһp|(zh)ܗUˮƽ֧֧OAOC21G1߅L(zhng)5cmwG220NtKӌ(du)G1_____N˕r(sh)G1(du)ĉ(qing)2104PaG1_____N
鿴𰸺ͽ>>
Ŀ (li)Դ }ͣ
}Ŀ(sh)(yn):y(c)Сݵ늹
(sh)(yn)xСݵ~늉2.5V
(sh)(yn)E
(1)Ո(qng)ùP(hu)挧(do)шDе·B((do)(zhn))Ҫ(dng)׃ĻƬƄ(dng)r(sh)Сݕ(hu)׃
____________
(2)_B·]_(ki)P(gun)ָᘲ(dng)ְס_(ki)P(gun)l(f)F(xin)ָᘔ[(dng)F(xin)@NF(xin)ԭ________________
(3)ԭų_õ±ʾ(sh)(j)Ո(qng)Ѓ(ni)a(b):
(sh)(yn)̖(ho) | 늉U/V | I/A | 늹P/W | |
1 | 2.0 | 0.28 | 0.56 | l(f)ⰵ |
2 | 2.5 | 0.32 | 0.80 | _______ |
3 | 3.0 | 0.36 | 1.08 | l(f)⏊(qing) |
ɱД(sh)(j)֪ԓ~늹ʞ________W
(4)·öֵQСy(c)ԓֵֵՈ(qng)?jin)̓O(sh)Ӌ(j)һ(g)ӛ䛵ı
____________
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Ŀ (li)Դ }ͣ
}ĿøܗU_(ki)չP(gun)(sh)(yn)̽
(1)bøܗUŵˮƽλú֣l(f)F(xin)ܗU형r(sh)?l)D(zhun)(dng)Dʾt(yng)ƽĸ___(x){(dio)(ji)ֱܗUˮƽλƽ
(2)DʾAc(din)3(g)0.5N^aBc(din)Ïɜy(c)Ӌ(j)QֱܗUʹˮƽλƽɜy(c)Ӌ(j)ʾ(sh)________Nڵ(1)С}δ{(dio)(ji)ƽĸֱ_(ki)չ(sh)(yn)ɜy(c)Ӌ(j)ʾ(sh)(hu)______(xƫƫС׃)
(3)ʼKQֱɜy(c)Ӌ(j)ʹܗUˮƽλþD(zhun)^(gu)һǶD(ni)ʾ^(gu)Уɜy(c)Ӌ(j)ʾ(sh)(hu)________(x׃׃С׃ͬ)ĴС______
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