Lipotoloho tsa motlakase - mathata le litharollo

Lipotoloho tsa motlakase - mathata le litharollo

1. R ₁ , = 6 Ω, R ₂ = R ₃ = 2 Ω, le motlakase = 14 volts, fumana motlakase potolohong jwalo ka ha ho bontshitswe setshwantshong se ka tlase.

Tse tsejoang:

Mohanyetsi 1 (R ₁ ) = 6 Ω

Mohanyetsi 2 (R ₂ ) = 2 Ω

Mohanyetsi 3 (R3 ₎ = 2 Ω

Motlakase (V) = 14 Volt

Ho batloa: Motlakase (I)

Tharollo:

Sehanyetsi se lekanang (R):

R2 le R3 _li hokahane ka ho bapa. Resistor e lekanang _:

1/R ₂₃ = 1/R ₂ + 1/R ₃ = 1/2 + 1/2 = 2/2

R ₂₃ = 2/2 = 1 Ω

R ₁ le R ₂₃ li hokahane ka letoto. Resistor e lekanang:

R = R ₁ + R ₂₃ = 6 Ω + 1 Ω

R = 7Ω

Motlakase (I):

Ke = V / R = 14 / 7 = 2 Ampere

2. Ke efe ea lipotoloho tsa motlakase tse bontšitsoeng ka tlase e nang le motlakase o moholo.

Tharollo:

Khanyetso ea resistor ke R 'me motlakase ke V.

Karabo A.

R1 _, R2 le R3 _{li hokahane ka letoto .} Resistor e lekanang:

R _A = R ₁ + R ₂ + R ₃ = R + R + R = 3R

Motlakase (I):

Karabo B.

R1 _, R2 le R3 _li hokahane ka ho bapa. Resistor e lekanang _:

1/R = 1/R ₁ + 1/R ₂ + 1/R ₃ = 1/R + 1/R + 1/R = 3/R

R _B = R/3

Motlakase (I):

Karabo C.

R2 le R3 _li hokahane ka ho bapa. Resistor e lekanang _:

1/R ₂₃ = 1/R ₂ + 1/R ₃ = 1/R + 1/R = 2/R

R ₂₃ = R/2

R ₁ le R ₂₃ li hokahane ka letoto. Resistor e lekanang:

R _C = R ₁ + R ₂₃ = R + R/2 = 2R/2 + R/2 = 3R/2

Motlakase (I):

Karabo D.

R1 le R2 _li hokahane ka ho bapa. Resistor e lekanang _:

1/R ₁₂ = 1/R ₁ + 1/R ₂ = 1/R + 1/R = 2/R

R ₁₂ = R/2

R ₁₂ le R ₃ li hokahane ka letoto. Resistor e lekanang:

R _D = R ₁₂ + R ₃ = R/2 + R = R/2 + 2R/2 = 3R/2

Motlakase (I):

3. R _{​​​​1} = 4 ohms, R ₂ = 6 ohms, R ₃ = 2 ohms, le V = 24 volts. Motlakase ke ofe potolohong jwalo ka ha ho bontshitswe setshwantshong se ka tlase.

Tse tsejoang:

Mohanyetsi 1 (R1 ₎ = 4 Ohm

Mohanyetsi 2 (R2 ₎ = 6 Ohm

Mohanyetsi 3 (R ₃ ) = 2 Ohm

Motlakase (V) = 24 Volt

Ho batloa: Motlakase o potolohang

Tharollo:

R1 _, R2 le R3 _li hokahane ka letoto. Resistor e lekanang _:

R = R ₁ + R ₂ + R ₃ = 4 + 6 + 2

R = 12 Ohm

Motlakase oa motlakase:

Ke = V / R = 24 / 12 = 2 Ampere

4. Ke efe ea lipotoloho tsa motlakase tse bontšitsoeng ka tlase e nang le motlakase o moholo.

tharollo

Motlakase o potolohang potolohong ea A.

Mohanyetsi o lekanang:

R ₁ = 3 Ω, R ₂ = 4 Ω, R ₃ = 4 Ω, V = 12 Volts

R2 le R3 _li hokahane ka ho bapa. Resistor e lekanang _:

1/R ₂₃ = 1/R ₂ + 1/R ₃ = 1/4 + 1/4 = 2/4 = 1/2

R ₂₃ = 2/1 = 2 Ω

R ₁ le R ₂₃ li hokahane ka letoto. Resistor e lekanang:

R = R ₁ + R ₂₃ = 3 Ω + 2 Ω = 5 Ω

Motlakase (I):

Ke = V / R = 12 / 5 = 2.4 Ampere

Motlakase o potolohang potolohong ea B.

Mohanyetsi o lekanang:

R ₁ = 8 Ω, R ₂ = 2 Ω, R ₃ = 2 Ω, V = 36 Volts

R1 _, R2 le R3 _{li hokahane ka letoto .} Resistor e lekanang:

R = R ₁ + R ₂ + R ₃ = 8 + 2 + 2 = 12 Ω

Motlakase (I):

Ke = V / R = 36 / 12 = 3 Ampere

Motlakase o potolohang potolohong ea C.

Mohanyetsi o lekanang:

R ₁ = 4 Ω, R ₂ = 4 Ω, R ₃ = 6 Ω, V = 12 Volts

R2 le R3 _li hokahane ka ho bapa. Resistor e lekanang _:

1/R ₂₃ = 1/R ₂ + 1/R ₃ = 1/4 + 1/4 + 1/6 = 3/12 + 3/12 + 2/12 = 8/12

R ₂₃ = 12/8 = 1.5 Ω

Motlakase (I):

Ke = V / R = 12 / 1.5 = 8 Ampere

Motlakase o potolohang potolohong ea D.

Mohanyetsi o lekanang:

R ₁ = 3 Ω, R ₂ = 3 Ω, R ₃ = 3 Ω, R ₄ = 3 Ω, R ₅ = 6 Ω, V = 24 Volts

R2 _, R3 le R4 _li hokahane ka ho bapa. Resistor e lekanang _:

1/R ₂₃₄ = 1/R ₂ + 1/R ₃ + 1/R ₄ = 1/3 + 1/3 + 1/3 = 3/3

R ₂₃₄ = 3/3 = 1 Ω

R1 , R234 _le R5 _li hokahane ka letoto. Resistor e lekanang _:

R = R ₁ + R ₂₃₄ + R ₅ = 3 + 1 + 6 = 9 Ω

Motlakase (I):

Ke = V / R = 24 / 9 = 2.6 Ampere

5. Ho ya ka setshwantsho se bontshitsweng ka tlase, fumana:

A. Khanyetso e felletseng

B. Motlakase o potolohang

C. Hona joale I ₁

D. Hona joale I ₂

Tse tsejoang:

Mohanyetsi 1 (R ₁ ) = 4 Ω

Mohanyetsi 2 (R ₂ ) = 4 Ω

Mohanyetsi 3 (R ₃ ) = 2 Ω

Mohanyetsi 4 (R ₄ ) = 3 Ω

Motlakase oa motlakase (V) = 12 Volts

Tharollo:

A. Khanyetso e felletseng (R)

Resistor R ₂ le resistor R ₃ li hokahane ka tatellano. Resistor e lekanang:

R ₂₃ = R ₂ + R ₃ = 4 Ω + 2 Ω = 6 Ω

Resistor R ₂₃ le resistor R ₄ li hokahane ka ho lekana. Resistor e lekanang:

1/R ₂₃₄ = 1/R ₂₃ + 1/R ₄ = 1/6 + 1/3 = 1/6 + 2/6 = 3/6

R ₂₃₄ = 6/3 = 2 Ω

Resistor R ₁ le resistor R ₂₃₄ li hokahane ka tatellano. Resistor e lekanang:

R = R ₁ + R ₂₃₄ = 4 Ω + 2 Ω = 6 Ω

Khanyetso eohle ke 6 Ohms.

B. Motlakase o potolohang (I)

V = IR

V = motlakase, I = motlakase, R = khanyetso ea motlakase

Motlakase oa motlakase:

I = V / R = 12 Volts / 6 Ohms = 2 Amps

C. Motlakase oa motlakase I ₁

Motlakase o ka har'a resistor R ₁ = motlakase o ka har'a potoloho = 2 Ampere.

D. Hona joale I ₂

Mohanyetsi R₂₃ le mohanyetsi R₄ li hokahane ka ho bapa. Resistor e lekanang R₂₃₄ = 2 Ohms.

Motlakase o ka har'a resistor R ₂₃₄ = motlakase o ka har'a resistor R ₁ = 2 Ampere.

Motlakase ho resistor R ₂₃₄ ke:

V = IR ₂₃₄ = (2 A)(2 Ohm) = 4 Volts

Motlakase ho resistor R ₂₃₄ = motlakase ho resistor R ₄ = motlakase ho resistor R ₂₃ = 4 Volts.

Mohanyetsi o lekanang R ₂₃ ke 6 Ohm.

Motlakase o ka har'a resistor R ₂₃ ke:

I = V / R = 4 Volts / 6 Ohms = 2/3 Ampere

Motlakase o ka har'a resistor R ₂₃ = Motlakase o ka har'a resistor R ₂ = Motlakase o ka har'a resistor R ₃ = 2/3 Ampere.

6. R ₁ = R ₂ = 10 Ω le R ₃ = R ₄ = 8 Ω. Motlakase ke ofe potolohong jwalo ka ha ho bontshitswe setshwantshong se ka tlase?

Tse tsejoang:

Mohanyetsi R ₁ = Mohanyetsi R ₂ = 10 Ω

Mohanyetsi R ₃ = Mohanyetsi R ₄ = 8 Ω

Motlakase oa motlakase (V) = 12 Volts

Ho batloa: motlakase (I)

Tharollo:

Mohanyetsi o lekanang

Resistor R ₃ le resistor R ₄ li hokahane ka ho lekana, resistor e lekanang:

1/R ₃₄ = 1/R ₃ + 1/R ₄ = 1/8 + 1/8 = 2/8

R ₃₄ = 8/2 = 4 Ω

Li-resistor R1 _, R2 _le R34 _li hokahane ka letoto, resistor e lekanang:

R = R ₁ + R ₂ + R ₃₄ = 10 Ω + 10 Ω + 4 Ω = 24 Ω

Motlakase oa motlakase:

I = V / R = 12 Volts / 24 Ohms = 0,5 Volts/Ohms = 0.5 Amps

7. Haeba khanyetso ea ka hare ea betri e hlokomolohuoa, motlakase ke ofe potolohong e bontšitsoeng setšoantšong se ka tlase.

Tse tsejoang:

Mohanyetsi R ₁ = 3 Ohm

Mohanyetsi R ₂ = 3 Ohm

Mohanyetsi R ₃ = 6 Ohm

Motlakase oa motlakase (V) = 6 Volts

Ho batloa: Motlakase (I)

Tharollo:

Sehanyetsi se lekanang

Li-resistor R ₁ le R ₂ li hokahane ka letoto. Resistor e lekanang:

R ₁₂ = R ₁ + R ₂ = 3 Ohms + 3 Ohms = 6 Ohms

Resistor R ₁₂ le resistor 3 li hokahane ka ho lekana. Resistor e lekanang:

1/R = 1/R ₁₂ + 1/R ₃ = 1/6 + 1/6 = 2/6

R = 6/2 = 3 Ohms

Motlakase oa motlakase:

Ke = V / R = 6 / 3 = 2 Ampere

8. Ke bokae motlakase o felletseng potolohong jwalo ka ha ho bontshitswe setshwantshong se ka tlase?

Tse tsejoang:

Mohanyetsi R ₁ = 6 Ohm

Mohanyetsi R ₂ = 4 Ohm

Motlakase oa motlakase (V) = 6 Volt

Khanyetso ea ka hare (r) = 0.6 Ohms

Ho batloa: Motlakase oa motlakase

Tharollo:

Resistor R ₁ le resistor R ₂ li hokahane ka ho lekana. Resistor e lekanang:

1/R _P = 1/R ₁ + 1/R ₂ = 1/6 + 1/4 = 4/24 + 6/24 = 10/24

R _P = 24/10 = 2.4 Ohm

Resistor R _P le khanyetso ea kahare (r) li hokahane ka tatellano. Resistor e lekanang:

R = R _P + r = 2.4 Ohm + 0.6 Ohm = 3.0 Ohm

Motlakase o potolohang:

I = V / R = 6 Volts / 3 Ohms = 2 Amps

1. Potoloho ea motlakase ke eng?
   • karabo: Potoloho ea motlakase ke tsela e koetsoeng kapa selika-likoe seo motlakase o ka phallang ho sona khafetsa. Hangata e na le mehloli ea motlakase (joalo ka libeteri), meroalo (joalo ka li-resistor, li-LED, li-motor), le li-conductor ho li hokahanya.
2. Ke eng e khethollang potoloho ea letoto ho potoloho e bapileng?
   • karabo: Potolohong ea letoto, likarolo li hokahane ho tloha pheletsong ho ea qetellong, kahoo ho na le tsela e le 'ngoe bakeng sa hona joale. Potolohong e bapileng, likarolo li hokahane ho pholletsa le lintlha tse tloaelehileng kapa likhokahano, ho fana ka litsela tse ngata bakeng sa hona joale.
3. Molao oa Ohm o amana joang le motlakase, hona joale le khanyetso potolohong?
   • karaboMolao oa Ohm o bolela hore motlakase ($I$) e phallang ka har'a mokhanni pakeng tsa lintlha tse peli e lekana ka ho toba le motlakase ($V$) ho pholletsa le lintlha tse peli 'me ka tsela e fapaneng e lekana le khanyetso ($R$E emetsoe e le I=V/R​.
4. Mosebetsi oa switch ke ofe potolohong ea motlakase?
   • karabo: Swichi e laola phallo ea motlakase potolohong. Ha e koetsoe, e lumella motlakase ho phalla; ha e butsoe, e sitisa kapa e emisa phallo ea motlakase.
5. Ke hobane'ng ha potoloho e khutšoanyane e nkoa e le kotsi?
   • karabo: Ka potoloho e kgutshwane, khanyetso e tlase haholo, e leng se bakang phallo e phahameng haholo ya motlakase. Sena se ka lebisa ho futhumatseng haholo, mollong, kapa tshenyong ya dikarolo mme se lokela ho sireletswa kgahlanong le di-fuse kapa di-circuit breaker.
6. Mosebetsi oa fuse kapa seqhala sa potoloho ke ofe potolohong?
   • karabo: Li-fuse le li-circuit breaker ka bobeli ke lisebelisoa tse sireletsang tse etselitsoeng ho sitisa potoloho haeba motlakase o feta boemo bo sireletsehileng bo reriloeng esale pele. Ha li-fuse li "foka" kapa "li qhibiliha", li roba potoloho, li-circuit breaker li "khoptjoa", 'me li ka setafatsoa hape ka mor'a hore li sitise potoloho.
7. Molao oa Hona Joale oa Kirchhoff (KCL) o hlalosa maqhubu a kopanang joang potolohong?
   • karabo: Molao oa Hona Joale oa Kirchhoff o bolela hore kakaretso ea maqhubu a kenang moo ho kopanang teng e lekana le kakaretso ea maqhubu a tsoang moo ho kopanang teng. Ha e le hantle ena ke polelo ea paballo ea tjhaja ea motlakase.
8. Phapang ke efe pakeng tsa AC (Alternating Current) le DC (Direct Current)?
   • karabo: DC e bolela phallo e le 'ngoe ea tjhaja ea motlakase, hangata e tsoang betring kapa phepelong ea motlakase ea DC. Ka lehlakoreng le leng, AC ke tjhaja ea motlakase e fetolang tsela nako le nako, joalo ka se fanoang ho tsoa grid ea motlakase linaheng tse ngata.
9. Poleloana "mobu" e bolela eng lipotolohong tsa motlakase?
   • karabo: “Mobu” o bolela ntlha ya referense potolohong ya motlakase eo ho yona ho lekanyetswang di-voltage tse ding, kapa tsela e tlwaelehileng ya ho kgutlela ha motlakase, kapa kgokelo e tobileng ya mmele le Lefatshe.
10. Ke hobane'ng ha li-capacitor li sebelisoa lipotolohong tsa motlakase?

• karabo: Li-capacitor li boloka le ho lokolla matla a motlakase. Li sebelisoa lipotolohong bakeng sa merero e fapaneng, joalo ka ho sefa, ho ntlafatsa ho feto-fetoha ha motlakase, ho kopanya le ho arola matšoao a AC, le likarolo tsa nako ho li-oscillator.