Mohlala oa potoloho ea resistor

Mehlala e 3 ea lipotso tsa potoloho ea resistor

1. Letoto la li-resistor tse ka tlase tse nang le khanyetso e lekanang ka ho fetisisa ke...

Puisano

Karabo A

R ₁ = 2 Ω, R ₂ = 2 Ω, R ₃ = 6 Ω, R ₄ = 6 Ω

R₃ le R₄ e hokahantsoe ka ho bapa. Resistor e nkelang sebaka ke:

1/R ₃₄ = 1/R ₃ + 1/R ₄ = 1/6 + 1/6 = 2/6

R ₃₄ = 6/2 = 3 Ω

R_1, R₂ le R₃₄ e hokahantsoe ka letoto. Resistor e nkelang sebaka ke:

R = R ₁ + R ₂ + R ₃₄ = 2 Ω + 2 Ω + 3 Ω

R = 7Ω

Karabo B

R ₁ = 2 Ω, R ₂ = 4 Ω, R ₃ = 4 Ω, R ₄ = 8 Ω

R₂ le R₃ e hokahantsoe ka letoto. Resistor e nkelang sebaka ke:

R ₂₃ = R ₂ + R ₃ = 4 Ω + 4 Ω = 8 Ω

R₂₃ le R₄ e hokahantsoe ka ho bapa. Resistor e nkelang sebaka ke:

1/R ₂₃₄ = 1/R ₂₃ + 1/R ₄ = 1/8 + 1/8 = 2/8

R ₂₃₄ = 8/2 = 4 Ω

R₁ le R₂₃₄ e hokahantsoe ka letoto. Resistor e nkelang sebaka ke:

R = R ₁ + R ₂₃₄ = 2 Ω + 4 Ω

R = 6 Ω

Karabo C

R ₁ = 9 Ω, R ₂ = 9 Ω, R ₃ = 9 Ω, R ₄ = 2 Ω

R_1, R₂ le R₃ e hokahantsoe ka ho bapa. Resistor e nkelang sebaka ke:

1/R ₁₂₃ = 1/ R ₁ + 1/ R ₂ + 1/R ₃ = 1/9 + 1/9 + 1/9 = 3/9

R ₁₂₃ = 9/3 = 3 Ω

R₁₂₃ le R₄ e hokahantsoe ka letoto. Resistor e nkelang sebaka ke:

R = R ₁₂₃ + R ₄ = 3 Ω + 2 Ω

R = 5 Ω

Karabo D

R ₁ = 5 Ω, R ₂ = 10 Ω, R ₃ = 2 Ω, R ₄ = 2 Ω

R₁ le R₂ e hokahantsoe ka ho bapa. Resistor e nkelang sebaka ke:

1/R ₁₂ = 1/R ₁ + 1/R ₂ = 1/5 + 1/10 = 2/10 + 1/10

1/R ₁₂ = 3/10

R ₁₂ = 10/3 Ω

R₃ le R₄ e hokahantsoe ka ho bapa. Resistor e nkelang sebaka ke:

1/R ₃₄ = 1/R ₃ + 1/R ₄ = 1/2 + 1/2 = 2/2

R ₃₄ = 1 Ω

R₁₂ le R₃₄ e hokahantsoe ka letoto. Resistor e nkelang sebaka ke:

R = R ₁₂ + R ₃₄ = 10/3 + 3/3 = 13/3

R = 4,3 Ω

Karabo e nepahetseng ke A.

2. Khanyetso e lekanang setšoantšong se ka tlase ke…

A. 26 Ohm

B. 16 Ohm

C. 15 Ohm

D. 11 Ohm

Puisano

Li-resistor tsa 6 Ω, 3 Ω le 2 Ω li hokahane ka ho lekana. Li-resistor tse nkelang sebaka ke tsena:

1/R _P = 1/6 + 1/3 + 1/2 = 1/6 + 2/6 + 3/6 = 6/6

R _P = 6/6 = 1 Ω

Li-resistor tsa 7 Ω, 8 Ω, le 1 Ω li hokahane ka tatellano. Li-resistor tse nkelang sebaka ke:

R = 7 + 8 + 1 = 16 Ω

Karabo e nepahetseng ke B.

3. Rp ke bokae potolohong e kopaneng e ka tlase?

A. 8 ohms

B. 1/8 ohm

C. 1 ohm

D. 7 ohms

Puisano

Hoa tsebahala hore:

Mohanyetsi 1 (R ₁ ) = 2 Ohm

Mohanyetsi 2 (R ₂ ) = 2 Ohm

Mohanyetsi 3 (R ₃ ) = 2 Ohm

Mohanyetsi 4 (R ₄ ) = 2 Ohm

E botsitsweng: Sehanyetsi se nkelang sebaka

Karabo:

Li-resistor R ₂ le R ₃ li hokahane ka ho lekana. Li-resistor tse nkelang sebaka:

1/R ₂₃ = 1/R ₂ + 1/R ₃

1/R ₂₃ = 1/2 + 1/2 = 2/2

R ₂₃ = 1 Ohm

Resistor R ₁ , resistor R ₂₃ le resistor R ₃ di hokahane ka letoto. Resistor tse nkelang sebaka:

R = R ₁ + R ₂ + R ₃ = 2 + 1 + 2

R = 5 Ohm

Karabo e nepahetseng ke 5 Ohms.

Mohloli oa lipotso:

Lipotso tsa Tlhahlobo ea Naha ea Saense ea Sekolo se Phahameng sa Bana ba Banyenyane/Sekolo se Phahameng sa Boislamo