Chitsanzo cha lamulo loyamba la Kirchhoff

Zitsanzo 11 za Lamulo Loyamba la Kirchhoff

1. Yang'anani chithunzi chotsatirachi!

Ngati ine₁ = 5A, I₂ = 3 A, I₃ = 6 A, Wamkulu I₄ ndi ...

A. 2A

B. 8A

C. 9A

D. 14A

Zokambirana

Lamulo Loyamba la Kirchhoff limati kuchuluka kwa magetsi olowa mu nthambi ndi kofanana ndi kuchuluka kwa magetsi otuluka mu nthambi.

Samalani muvi womwe uli pachithunzichi! Mphamvu yamagetsi yomwe ikulowa mu nthambi ndi I₁ dani I₂ pomwe mphamvu yamagetsi yochokera ku nthambi ndi I₃ ndipo ine₄.

Gwiritsani ntchito lamulo loyamba la Kirchhoff:

I₁ + I₂ = Ine₃ + I₄

5 + 3 = 6 + I₄

8 = 6 + I₄

I₄ = 8-6

I₄ = 2 ampere

Yankho lolondola ndi A.

2. Yang'anani chithunzi chotsatirachi!

Ngati ndili wamkulu₁ = Ine₃ ndiye ine wamkulu₄ ndi ...

A. 11 A

B. 7 A

C. 6 A

D. 3 A

Zokambirana

Amadziwika kuti:

I₁ = Ine₃ = 2 Ampere

I₂ = 3 Ampere

I₅ = 4 Ampere

Anafunsa kuti: I₄

Yankho:

Lamulo Loyamba la Kirchhoff limati kuchuluka kwa magetsi olowa mu nthambi ndi kofanana ndi kuchuluka kwa magetsi otuluka mu nthambi.

Samalani muvi womwe uli pachithunzichi! Mphamvu yamagetsi yomwe ikulowa mu nthambi ndi I₁ dani I₄ pomwe mphamvu yamagetsi yochokera ku nthambi ndi I_2, I₃ ndipo ine₅.

Gwiritsani ntchito lamulo loyamba la Kirchhoff:

I₁ + I₄ = Ine₂ + I₃ + I₅

2 + Ine₄ = 3 + 2 + 4

2 + Ine₄ = 9

I₄ = 9-2

I₄ = 7 Ampere

Yankho lolondola ndi B.

3. Yang'anani mndandanda wa zithunzi zotsatirazi!

Ma equation omwe akugwirizana ndi malamulo a Kirchoff

A. Ine₁ = Ine₂ + I₃ = Ine₆ = Ine₄ + I₅

B. I₁ = Ine₂ + I₃ + I₆ + I₄ + I₅

APO₆ = Ine₁ + I₂ + I₃ + I₄ + I₅

D. I₁ = Ine₆ + I₂ + I₃ + I₄ + I₅

Zokambirana

Chithunzi: I = chizindikiro cha mphamvu yamagetsi.

Lamulo Loyamba la Kirchhoff limati kuchuluka kwa magetsi olowa mu nthambi = kuchuluka kwa magetsi ochoka mu nthambi.

Kutengera ndi lamulo loyamba la Kirchhoff, zatsimikiziridwa kuti ine₁ = Ine₂ + I₃ = Ine₄ + I₅ = Ine₆.

Yankho lolondola ndi A.

4. Yang'anani chithunzi! Big I₁ ndi ...

A. 2 Ampere

B. 3 Ampere

C. 4 Ampere

D. 5 Ampere

Zokambirana

Lamulo Loyamba la Kirchhoff limati mphamvu yamagetsi yolowa mu nthambi ndi yofanana ndi mphamvu yamagetsi yochoka mu nthambi. Kutengera chithunzi pamwambapa, mphamvu yamagetsi yolowa mu nthambi ndi I = 7 Amperes, pomwe mphamvu yamagetsi yochoka mu nthambi ndi I = 7 Amperes.₁, I₂ = 1 Ampere ndipo ine₃ = 3 Ampere.

Mwa masamu:

Ine = ine₁ + I₂ + I₃

7 A = Ine₁ + 1 A + 4 A

7 A = Ine₁ + 5A

7 A – 5 A = Ine₁

I₁ = 2 Ampere

Yankho lolondola ndi A.

5. Samalani ndi magetsi otsatirawa!

Kukula kwa I₁ ndi ...

A. 2 A

B. 3 A

C. 4 A

D. 5 A

Zokambirana

Amadziwika kuti:

Mphamvu yamagetsi yolowera ku nthambi:

I = 7 Ampere

Mphamvu yamagetsi yochokera ku nthambi:

I₂ = 2 Ampere ndi I₃ = 1 Ampere

Anafunsa kuti: I₁

Yankho:

Lamulo Loyamba la Kirchhoff limati magetsi olowa mu nthambi ndi ofanana ndi magetsi otuluka mu nthambi.

Ine mkati = Ine kunja

Ampere 7 = I₁ + Ampere 2 + Ampere 1

Ampere 7 = I₁ + 3 amps

I₁ = Ma Ampere 7 – Ma Ampere 3

I₁ = 4 Ampere

Yankho lolondola ndi C.

6. Ndi angati omwe ndili nawo₂, mu mndandanda womwe uli pansipa!

A. 1 A

B. 2 A

C. 3 A

D. 4 A

Zokambirana

Amadziwika kuti:

Mphamvu ya magetsi omwe amalowa mu nthambi:

I₁ = 6 Ampere

Mphamvu yamagetsi yochokera ku nthambi:

I₃ = 3 Ampere

I₄ = 1 Ampere

Anafunsa kuti: I₂

Yankho:

Lamulo Loyamba la Kirchhoff limati mphamvu yamagetsi yolowa mu nthambi ndi yofanana ndi mphamvu yamagetsi yochoka mu nthambi.

I₁ = Ine₂ + I₃ + I₄

6 = ine₂ + 3 + 1

6 = ine₂ + 4

I₂ = 6-4

I₂ = 2 Ampere

Yankho lolondola ndi B.

7. Yang'anani chithunzi chotsatira cha magetsi! Ngati ine₂ = 1/4 I₁ , kenako ine₃ chachikulu ngati…

A. 150 mA

B. 300 mA

C. 450 mA

D. 600 mA

Zokambirana

Amadziwika kuti:

I₁ = 600 milli Ampere

Anafunsa kuti: I₃

Yankho:

I₂ = 1/4 I₁ = 1/4 (600 mA) = 150 mA

Lamulo Loyamba la Kirchhoff limati magetsi olowa mu nthambi ndi ofanana ndi magetsi ochoka mu nthambi. Mphamvu yamagetsi yolowa mu nthambi ndi I₁, magetsi ochokera ku nthambi ndi I₂ ndipo ine₃Mwa masamu:

I₁ = Ine₂ + I₃

600 mA = 150 mA + I₃

I₃ = 600 mA – 150 mA

I₃ = 450 mA

Yankho lolondola ndi C.

8.

Yang'anani chithunzi chotsatirachi cha nthambi ya magetsi. Kukula kwa I₄ ndi….

A. 14 A
B. 8 A
C. 6 A
D. 4 A

Zokambirana

Amadziwika kuti:
I₁ = 6 Ampere
I₂ = 13 Ampere
I₃ = 8 Ampere
I₅ = 5 Ampere
Anafunsa: Ine₄ = …. ?
Yankho:

Lamulo Loyamba la Kirchhoff:
Kuchuluka kwa magetsi olowa mu nthambi = kuchuluka kwa magetsi ochoka mu nthambi.

Samalani mivi yomwe ili pachithunzichi!
Mphamvu yamagetsi yolowera pa nthambi ndi I₁, I₃, I₄ ndipo magetsi ochokera ku nthambi ndi I₂ ndipo ine₅.

Gwiritsani ntchito lamulo loyamba la Kirchhoff:
I₁ + I₃ + I₄ = Ine₂ + I₅
6 A + 8 A + I₄ = 13 A + 5 A
14 A + I₄ = 18 A
I₄ = 18 A – 14 A
I₄ = 4 Ampere

Yankho lolondola ndi D.

9. Yang'anani chithunzi chotsatira cha magetsi!
Ngati ine = 6 A, ine₁ = 1 A, I₃ = 2A ndi I₄ = 1 A. Mphamvu yamagetsi I₅ ndi….

A. 0,5 A
B. 0,6 A
C. 1,0 A
D. 2,0 A

Zokambirana
Amadziwika kuti:
I = 6 Ampere
I₁ = 1 Ampere
I₃ = 2 Ampere
I₄ = 1 Ampere
Anafunsa: Ine₅ = …. ?
Yankho:
Lamulo Loyamba la Kirchhoff:
Kuchuluka kwa magetsi olowa mu nthambi 1 = kuchuluka kwa magetsi ochoka mu nthambi 1.

Samalani mivi yomwe ili pachithunzichi!
Mphamvu yamagetsi yolowera mu nthambi 1 ndi I ndipo mphamvu yamagetsi yochoka mu nthambi 1 ndi I₁, I₂ ndipo ine₃Gwiritsani ntchito lamulo loyamba la Kirchhoff pa nthambi yachiwiri:
Ine = ine₁ + I₂ + I₃
6 A = 1 A + I₂ + 2A
6 A = 3 A + I₂
6 A – 3 A = Ine₂
3 A = Ine₂

Samalani mivi yomwe ili pachithunzichi!
Mphamvu yamagetsi yolowera ku nthambi 2 ndi I₂ ndipo magetsi ochokera ku nthambi 2 ndi I₄ ndipo ine₅Gwiritsani ntchito lamulo loyamba la Kirchhoff pa nthambi yachiwiri:
I₂ = Ine₄ + I₅
3 A = 1 A + I₅
3 A – 1 A = Ine₅
I₅ = 2 Ampere
Yankho lolondola ndi D.

10. Yang'anani chithunzi cha nthambi za magetsi mu dera lotsatira!
Mphamvu ya I yomwe ikuyenda ndi….
A. 3 A
B. 7 A
C. 13 A
D. 17 A
Zokambirana
Samalani mivi yomwe ili pachithunzichi!
Mphamvu yamagetsi yolowera mu nthambi ndi 5 Amperes, 3 Amperes ndi 2 Amperes, pomwe mphamvu yamagetsi yochoka mu nthambi ndi 1 ndi 7 Amperes.

Gwiritsani ntchito lamulo loyamba la Kirchhoff:
5 A + 3 A + 2 A = Ine + 7 A
10 A = Ine + 7 A
Ine = 10 A – 7 A
I = 3 Ampere
Yankho lolondola ndi A.

11. Samalani mndandanda wotsatira!

Ngati mu dera lalikulu lamagetsi mphamvu yamagetsi ndi I₁ = 4 A, I₂ = 3 A, I₄ = 7 A, I₅ = 4 A, kukula kwa mphamvu yamagetsi pa I₃ ndi…

A. 3 A

B. 4 A

C. 7 A

D. 10 A

Zokambirana

Lamulo Loyamba la Kirchhoff limati mphamvu yamagetsi yolowa mu nthambi ndi yofanana ndi mphamvu yamagetsi yochoka mu nthambi.

Mphamvu yamagetsi yolowera ku nthambi = I₁ + I₃ = 4 A + I₃

Mphamvu yamagetsi yochokera ku nthambi = I₂ + I₄ + I₅ = 3 A + 7 A + 4 A = 14 A

14 A = 4 A + I₃

I₃ = 14 A – 4 A

I₃ = 10 A

Yankho lolondola ndi D.

Gwero la funso:

Mafunso a Mayeso a Sayansi ya Sukulu ya Sekondale/Chisilamu cha Sukulu ya Sekondale