EMF n'usoro na n'usoro

EMF n'usoro na n'usoro

Ọ bụrụ na e nwere isi mmalite abụọ ma ọ bụ karịa nke electromotive (emf) ejikọtara dịka egosiri na eserese ahụ, a na-ahazi emf n'usoro.

Ihe nhata voltaji isi mmalite (ε) bụ:

ε = ε₁ + ε₂ + ε_n

Nguzogide dị n'ime (r) hà nhata bụ:

r = r₁ +r₂ +r_n

Ọkụ eletrik nke na-agafe nguzogide mpụga (R) bụ:

M = ε / (r + R)

Nsogbu ihe atụ:

Ka e were ya na batrị abụọ nke ọ bụla emf bụ 1.5 Volt na uru iguzogide dị n'ime batrị ọ bụla bụ 0.1 Ω. Nguzogide mpụga (R) = 10 Ω. Nduzi nke ọkụ eletrik na-aga n'aka nri.

Jiri usoro gara aga:

ε = 1.5 + 1.5 = Volt 3

r = 0.1 + 0.1 = 0.2 Ω

I = ε / (r + R) = 3 / (0.2 + 10)

M = 3 / 10.2

I = 0.294 A

Jiri iwu nke abụọ nke Kirchhoff mee ihe:

1.5 – 0.1 I + 1.5 – 0.1 I – 10 I = 0

3 – 0.2 I – 10 I = 0

3 – 10.2 I = 0

3 = 10.2 I

M = 3 / 10.2

I = 0.294 A

Ọ bụrụ na e nwere isi mmalite abụọ ma ọ bụ karịa nke electromotive (emf) ejikọtara dịka egosiri na eserese ahụ, a na-ejikọ emf n'otu oge.

Isi iyi voltaji (ε) nke nhata bụ:

ε = ε₁ = ε₂ = ε_n

Nguzogide dị n'ime (r) hà nhata bụ:

1/r = 1/r₁ + 1/r₂ + 1/r_n

Ọkụ eletrik nke na-agafe nguzogide mpụga (R) bụ:

M = ε / (r + R)

Nsogbu ihe atụ:

Ka e were ya na batrị abụọ nke ọ bụla emf bụ 1.5 Volt na uru iguzogide dị na batrị ọ bụla bụ 0.1 Ω. Mgbochi mpụga (R) = 10 Ω.

Jiri usoro gara aga:

ε = 1.5 Volt

1/r = 1/0.1 + 1/0.1 = 2 / 0.1

r = 0.1 / 2 = 0.05 Ω

I = ε / (r + R) = 1.5 / (0.05 + 10) = 1.5 / 10.05

I = 0.149 A

Jiri iwu Kirchhoff mee ihe

Tee KirchhoffIwu mbụ nke ya:

I₁ + Mụ onwe m₂ = M ………. Nha nhata 1

Nyochaa okirikiri Aefca. Ụzọ nke okirikiri ahụ dị n'akụkụ aka nri. Tinye iwu nke abụọ nke Kirchhoff:

ε₂ - M₁ r₂ – IR = 0

1.5-0.1 I₁ – 10 I = 0

– 0.1 m₁ = 10 I – 1.5

I₁ = (10 I – 1.5) / – 0.1

I₁ = -100 I + 15 ……… Mmekọrịta 2

Nyochaa okirikiri Befdb. Ụzọ nke okirikiri ahụ dị n'akụkụ aka nri. Tinye iwu nke abụọ nke Kirchhoff:

ε₁ - M₂ r₁ – IR = 0

1.5-0.1 I₂ – 10 I = 0

- 0.1 I₂ = 10 I – 1.5

I₂ = (10 I – 1.5) / – 0.1

I₂ = -100 I + 15 ……… Mmekọrịta 3

Tinye nha nhata 2 na 3 n'ime nha nhata 1:

I₁ + Mụ onwe m₂ = M

-100 I + 15 – 100 I + 15 = I

– 200 I + 30 = I

30 = I + 200 I

30 = 201 I

M = 30 / 201

I = 0.149 A

Wepụ usoro 2 na 3:

I₁ = -100 I + 15

I₂ = -100 I + 15

———————– –

I₁ - M₂ = 0

I₁ = M₂ ………. Nha nhata 4

N'ihi na m₁ + Mụ onwe m₂ = M, ebe m nọ₁ = M₂ mgbe ahụ, m₁ = M₂ = 1/2 I = 1/2 (0.149) = 0.0745 A.