Matāgaluega eletise - faʻafitauli ma fofo

Matāgaluega eletise - faʻafitauli ma fofo

1.R₁, = 6 Ω, R₂ =R₃ = 2 Ω, ma le voltage = 14 volts, fuafua le eletise nei in matagaluega e pei ona faaalia i le ata o loo i lalo.

Ua iloa:

Tete'e 1 (R ₁ ) = 6 Ω

Tete'e 2 (R ₂ ) = 2 Ω

Tete'e 3 (R ₃ ) = 2 Ω

Voltage (V) = 14 Volt

Manaomia: Tafe eletise (I)

Fofo:

Tete'e tutusa (R):

O le R ₂ ma le R ₃ e feso'ota'i fa'atasi. O le resistor tutusa:

1 / R₂₃ = 1/R₂ + 1/R₃ = 1/2 + 1/2 = 2/2

R ₂₃ = 2/2 = 1 Ω

R₁ ma R₂₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R=R₁ +R₂₃ = 6 Ω + 1 Ω

R = 7Ω

Tafe eletise (I):

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

2. O fea o matagaluega eletise e pei ona faʻaalia i lalo e tele lona tafe eletise.

Fofo:

O le tete'e o le resistor o le R ma o le voltage eletise o le V.

Tali A.

R₁, R₂ ma R₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R_A =R₁ +R₂ +R₃ = R + R + R = 3R

Tafe eletise (I):

Tali B.

R₁, R₂ ma R₃ e feso'ota'i fa'atasi. O le resistor tutusa:

1/R = 1/R₁ + 1/R₂ + 1/R₃ = 1/R + 1/R + 1/R = 3/R

R_B = R/3

Tafe eletise (I):

Tali C.

O le R ₂ ma le R ₃ e feso'ota'i fa'atasi. O le resistor tutusa:

1 / R₂₃ = 1/R₂ + 1/R₃ = 1/R + 1/R = 2/R

R₂₃ = R/2

O le R ₁ ma le R ₂₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R_C =R₁ +R₂₃ = R + R/2 = 2R/2 + R/2 = 3R/2

Tafe eletise (I):

Tali D.

R₁ ma R₂ e feso'ota'i fa'atasi. O le resistor tutusa:

1 / R₁₂ = 1/R₁ + 1/R₂ = 1/R + 1/R = 2/R

R₁₂ = R/2

R₁₂ ma R₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R_D =R₁₂ +R₃ = R/2 + R = R/2 + 2R/2 = 3R/2

Tafe eletise (I):

3.R₁ = 4 ohms, R₂ = 6 ohms, R₃ = 2 ohms, ma le V = 24 volts. O le a le tafe eletise i le matagaluega e pei ona faaalia i le ata o loo i lalo.

Ua iloa:

Tete'e 1 (R ₁ ) = 4 Ohm

Tete'e 2 (R ₂ ) = 6 Ohm

Tete'e 3 (R ₃ ) = 2 Ohm

Voltage (V) = 24 Volt

Mana'omia: Tafe eletise i le matagaluega

Fofo:

R₁, R₂ ma R₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R=R₁ +R₂ +R₃ = 4 + 6 + 2

R = 12 Ohm

Tafe eletise:

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

4. O fea o matagaluega eletise e pei ona faʻaalia i lalo e tele lona tafe eletise.

fofo

Tafe eletise i le matagaluega A.

O le tetee tutusa:

R₁ = 3Ω, R₂ = 4Ω, R₃ = 4 Ω, V = 12 Volt

O le R ₂ ma le R ₃ e feso'ota'i fa'atasi. O le resistor tutusa:

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

R ₂₃ = 2/1 = 2 Ω

O le R ₁ ma le R ₂₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R=R₁ +R₂₃ = 3 Ω + 2 Ω = 5 Ω

Tafe eletise (I):

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

Tafe eletise i le matagaluega B.

O le tetee tutusa:

R₁ = 8Ω, R₂ = 2Ω, R₃ = 2 Ω, V = 36 Volt

R₁, R₂ ma R₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R=R₁ +R₂ +R₃ = 8 + 2 + 2 = 12 Ω

Tafe eletise (I):

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

Tafe eletise i le matagaluega C.

O le tetee tutusa:

R₁ = 4Ω, R₂ = 4Ω, R₃ = 6 Ω, V = 12 Volt

O le R ₂ ma le R ₃ e feso'ota'i fa'atasi. O le resistor tutusa:

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

Tafe eletise (I):

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

Tafe eletise i le matagaluega D.

O le tetee tutusa:

R₁ = 3Ω, R₂ = 3Ω, R₃ = 3Ω, R₄ = 3Ω, R₅ = 6 Ω, V = 24 Volt

R₂, R₃ ma R₄ e feso'ota'i fa'atasi. O le resistor tutusa:

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 ma R₅ ua feso'ota'i fa'asolosolo. O resistors tutusa:

R=R₁ +R₂₃₄ +R₅ = 3 + 1 + 6 = 9 Ω

Tafe eletise (I):

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

5. E tusa ai ma le ata o loʻo i lalo, fuafua:

A. Tete'e atoa

B. Tafe eletise i le matagaluega

C. Taimi nei I₁

D. Taimi nei I₂

Ua iloa:

Tete'e 1 (R ₁ ) = 4 Ω

Tete'e 2 (R ₂ ) = 4 Ω

Tete'e 3 (R ₃ ) = 2 Ω

Tete'e 4 (R ₄ ) = 3 Ω

Voltage eletise (V) = 12 Volts

Fofo:

A. Tete'e atoa (R)

Tete'e R₂ ma le tete'e R₃ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R₂₃ =R₂ +R₃ = 4 Ω + 2 Ω = 6 Ω

Tete'e R₂₃ ma le tete'e R₄ e feso'ota'i fa'atasi. O le resistor tutusa:

1 / R₂₃₄ = 1/R₂₃ + 1/R₄ = 1/6 + 1/3 = 1/6 + 2/6 = 3/6

R ₂₃₄ = 6/3 = 2 Ω

Tete'e R₁ ma le tete'e R₂₃₄ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

R=R₁ +R₂₃₄ = 4 Ω + 2 Ω = 6 Ω

O le aofaʻi atoa o le teteʻe e 6 Ohms.

B. Tafe eletise i le matagaluega (I)

V = IR

V = voltage eletise, I = tafega eletise, R = tete'e eletise

Tafe eletise:

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

C. Tafe eletise I₁

Tafe eletise i le resistor R₁ = tafe eletise i le matagaluega = 2 Ampere.

D. Taimi nei I₂

Tete'e R₂₃ ma le tete'e R₄ e feso'ota'i fa'atasi. O le resistor tutusa R₂₃₄ = 2 Ohms.

Tafe eletise i le resistor R₂₃₄ = tafe eletise i le resistor R₁ = 2 Amperes.

Voltage i le resistor R₂₃₄ o:

V = IR₂₃₄ = (2 A)(2 Ohm) = 4 Volt

Voltage i le resistor R₂₃₄ = voltage i le resistor R₄ = voltage i le resistor R₂₃ = 4 Volts.

O le tetee tutusa R₂₃ e 6 Ohm.

Tafe eletise i le resistor R₂₃ o:

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

Tafe eletise i le resistor R₂₃ = Tafe eletise i le resistor R₂ = tafe eletise i le resistor R₃ = 2/3 Ampere.

6.R₁ =R₂ = 10 Ω ma le R₃ =R₄ = 8 Ω. O le a le tafe eletise i le matagaluega e pei ona faaalia i le ata o loo i lalo?

Ua iloa:

Tete'e R₁ = Tete'e R₂ = 10 Ω

Tete'e R₃ = Tete'e R₄ = 8 Ω

Voltage eletise (V) = 12 Volts

Mana'omia: tafega eletise (I)

Fofo:

le tete'e tutusa

Tete'e R₃ ma le tete'e R₄ ua feso'ota'i fa'atasi, o le resistor tutusa:

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

R ₃₄ = 8/2 = 4 Ω

Tete'e R₁, R₂ ma R₃₄ ua feso'ota'i fa'asolosolo, o le resistor tutusa:

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

Tafe eletise:

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

7. Afai e le amana'iaina le tete'e i totonu o le maa, o le a le tafe eletise i le matagaluega o lo'o fa'aalia i le ata o lo'o i lalo.

Ua iloa:

Tete'e R ₁ = 3 Ohm

Tete'e R ₂ = 3 Ohm

Tete'e R ₃ = 6 Ohm

Voltage eletise (V) = 6 Volts

Manaomia: Tafe eletise (I)

Fofo:

Resistor tutusa

Tete'e R₁ ma R₂ ua feso'ota'i fa'asolosolo. O le resistor tutusa:

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

Tete'e R₁₂ ma o le resistor 3 e feso'ota'i fa'atasi. O le resistor tutusa:

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

R = 6/2 = 3 Ohms

Tafe eletise:

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

8. O le a le aofaʻi o le tafe eletise i le matagaluega e pei ona faʻaalia i le ata o loʻo i lalo.

Ua iloa:

Tete'e R ₁ = 6 Ohm

Tete'e R ₂ = 4 Ohm

Tafe eletise (V) = 6 Volt

Tete'ega i totonu (r) = 0.6 Ohms

Manaomia: Tafe eletise

Fofo:

Tete'e R₁ ma le tete'e R₂ e feso'ota'i fa'atasi. O le resistor tutusa:

1 / R_P = 1/R₁ + 1/R₂ = 1/6 + 1/4 = 4/24 + 6/24 = 10/24

R _P = 24/10 = 2.4 Ohm

Tete'e R_P ma le tete'e i totonu (r) e feso'ota'i fa'asolosolo. O le tete'e tutusa:

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

Tafe eletise i le matagaluega:

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

1. O le ā le matagaluega eletise?
   • taliO se matagaluega eletise o se auala tapuni po'o se li'o e mafai ona tafe pea ai le eletise. E masani ona aofia ai puna o le voltage (e pei o maa), uta (e pei o resistors, LEDs, motors), ma conductors e fa'afeso'ota'i ai.
2. O le ā le mea e eseese ai se matagaluega faasolo (series) mai se matagaluega tutusa (parallel)?
   • taliI se matagaluega fa'asolosolo, e feso'ota'i vaega mai le pito i le pito, o lea e tasi le ala mo le tafe o le eletise. I se matagaluega fa'alava, e feso'ota'i vaega i luga o nofoaga masani po'o feso'ota'iga, ma maua ai le tele o ala mo le tafe o le eletise.
3. E faʻapefea ona fesootaʻi le Tulafono a Ohm ma le voltage, le tafe, ma le teteʻe i totonu o se matagaluega?
   • tali: O le Tulafono a Ohm e taʻu mai ai o le tafega o le eletise ($I$) o loʻo tafe i totonu o se uaea eletise i le va o ni vaega se lua e tutusa lelei ma le voltage ($V$) i luga o itu e lua ma e fa'afeagai ma le tete'e ($R$). O lo'o fa'atusalia e pei o I=V/R​.
4. O le ā le matafaioi a se ki (switch) i se matagaluega eletise?
   • taliO se ki e pulea ai le tafe o le eletise i totonu o se matagaluega. A tapunia, e fa'atagaina ai le tafe o le eletise; a tatala, e motusia pe taofi ai le tafe o le eletise.
5. Aiseā e manatu ai o se faalavelave fa'afuase'i e matautia?
   • taliI se ta'amilosaga pu'upu'u, e matua maualalo lava le tete'e, ma mafua ai ona tafe le tafe maualuga tele. E mafai ona o'o atu ai i le vevela tele, afi, po'o le fa'aleagaina o vaega ma e tatau ona puipuia mai ai i ni fiusi po'o ni circuit breakers.
6. O le ā le galuega a se fiusi poʻo se circuit breaker i se matagaluega eletise?
   • taliO fiusi ma circuit breakers o ni masini puipuia ua mamanuina e motusia ai se matagaluega pe afai e sili atu le tafe o le eletise i se tulaga saogalemu ua uma ona fuafuaina. E ui o fiusi e "pa" pe "liu", e motusia ai le matagaluega, ae o circuit breakers e "mavae", ma e mafai ona toe setiina pe a uma ona motusia le matagaluega.
7. E faʻapefea ona faʻamatalaina e le Tulafono o le Taimi Nei a Kirchhoff (KCL) ia tafega i se fesoʻotaʻiga i se matagaluega?
   • taliO le Tulafono o le Taimi Nei a Kirchhoff e taʻu mai ai o le aofaʻi o tafega e ulufale atu i se fesoʻotaʻiga e tutusa ma le aofaʻi o tafega e tuʻua ai lea fesoʻotaʻiga. O se faʻamatalaga lea o le faʻasaoina o le eletise.
8. O le a le eseesega i le va o le AC (Alternating Current) ma le DC (Direct Current)?
   • taliO le DC e faasino i le tafe tasi o le eletise i le itu e tasi, e masani lava mai se maa po o se sapalai eletise DC. O le AC, i le isi itu, o se sapalai eletise e suia le itu i lea taimi ma lea taimi, e pei o le mea e sapalaiina mai le upega eletise i le tele o atunuu.
9. O le ā le uiga o le faaupuga "eleele" i matagaluega eletise?
   • taliO le “Eleele” e faasino i se nofoaga e faasino i ai se matagaluega eletise lea e fuaina mai ai isi voltage, po o se auala masani e toe foi mai ai mo le tafe eletise, po o se fesootaiga faaletino tuusao i le Lalolagi.
10. Aiseā e faʻaaogaina ai capacitors i matagaluega eletise?

• taliE teuina ma fa'asa'oloto e capacitors le malosi eletise. E fa'aaogaina i matagaluega mo le tele o fa'amoemoega, e pei o le fa'amamāina, fa'alelei o le fesuisuia'i o le voltage, fa'apipi'i ma le vavae'eseina o fa'ailoilo AC, ma elemene taimi i oscillators.