Maseketi emagetsi - matambudziko nemhinduro

Maseketi emagetsi - matambudziko nemhinduro

1. R ₁ , = 6 Ω, R ₂ = R ₃ = 2 Ω, uye voltage = 14 volts, sarudza magetsi ari mudunhu sezvakaratidzwa mumufananidzo uri pazasi.

Zvinozivikanwa:

Mudziviriri 1 (R1 ₎ = 6 Ω

Mudziviriri 2 (R2 ₎ = 2 Ω

Mudziviriri 3 (R3 ₎ = 2 Ω

Voltage (V) = 14 Volt

Zvinodiwa: Magetsi (I)

Solution:

Chinodzivirira chakaenzana (R):

R2 _{naR3 zvakabatana} zvakafanana. Resistor yakaenzana :

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

R ₂₃ = 2/2 = 1 Ω

R ₁ naR ₂₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R = R ₁ + R ₂₃ = 6 Ω + 1 Ω

R = 7Ω

Mwenje wemagetsi (I):

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

2. Ndeipi yemagetsi ari kuratidzwa pazasi ine simba guru remagetsi.

Solution:

Kudzivirira kwe resistor ndiR uye voltage yemagetsi ndiV.

Mhinduro A.

R1 _, R2 _naR3 zvakabatana zvakatevedzana. Chinodzivirira _chakaenzana :

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

Mwenje wemagetsi (I):

Mhinduro B.

R1 _, R2 _naR3 zvakabatana zvakafanana. Resistor _yakaenzana :

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

R _B = R/3

Mwenje wemagetsi (I):

Mhinduro C.

R2 _{naR3 zvakabatana} zvakafanana. Resistor yakaenzana :

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

R ₂₃ = R/2

R1 _naR23 zvakabatana zvakatevedzana. Chinodzivirira _chakaenzana :

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

Mwenje wemagetsi (I):

Mhinduro D.

R1 _{naR2 zvakabatana} zvakafanana. Chinodzivirira chakaenzana :

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

R ₁₂ = R/2

R12 _{naR3 zvakabatana} zvakatevedzana. Resistor yakaenzana :

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

Mwenje wemagetsi (I):

3. R _{​​​​1} = 4 ohms, R ₂ = 6 ohms, R ₃ = 2 ohms, uye V = 24 volts. Chii chinonzi magetsi ari mudunhu sezvakaratidzwa mumufananidzo uri pazasi?

Zvinozivikanwa:

Mudziviriri 1 (R1 ₎ = 4 Ohm

Mudziviriri 2 (R2 ₎ = 6 Ohm

Mudziviriri 3 (R3 ₎ = 2 Ohm

Voltage (V) = 24 Volt

Zvinodiwa: Magetsi ari mudunhu

Solution:

R1 _, R2 _naR3 zvakabatana zvakatevedzana. Chinodzivirira _chakaenzana :

R = R ₁ + R ₂ + R ₃ = 4 + 6 + 2

R = 12 Ohm

Mwenje wemagetsi:

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

4. Ndeipi yemagetsi ari kuratidzwa pazasi ine simba guru remagetsi.

mhinduro

Mwenje wemagetsi uri mudunhu A.

Chinodzivirira chakaenzana:

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

R2 _{naR3 zvakabatana} zvakafanana. Resistor yakaenzana :

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

R ₂₃ = 2/1 = 2 Ω

R1 _naR23 zvakabatana zvakatevedzana. Chinodzivirira _chakaenzana :

R = R ₁ + R ₂₃ = 3 Ω + 2 Ω = 5 Ω

Mwenje wemagetsi (I):

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

Mwenje wemagetsi uri mudunhu B.

Chinodzivirira chakaenzana:

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

R1 _, R2 _naR3 zvakabatana zvakatevedzana. Chinodzivirira _chakaenzana :

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

Mwenje wemagetsi (I):

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

Mwenje wemagetsi uri mudunhu C.

Chinodzivirira chakaenzana:

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

R2 _{naR3 zvakabatana} zvakafanana. Resistor yakaenzana :

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

Mwenje wemagetsi (I):

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

Mwenje wemagetsi uri mudunhu D.

Chinodzivirira chakaenzana:

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 _naR4 zvakabatana zvakafanana. Resistor _yakaenzana :

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 _naR5 zvakabatana munhevedzano. Resistor _{yakaenzana :}

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

Mwenje wemagetsi (I):

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

5. Zvichienderana nemufananidzo wakaratidzwa pazasi, sarudza:

A. Kuramba zvachose

B. Magetsi ari mudunhu

C. Ikozvino I ₁

D. Ikozvino I ₂

Zvinozivikanwa:

Mudziviriri 1 (R1 ₎ = 4 Ω

Mudziviriri 2 (R2 ₎ = 4 Ω

Mudziviriri 3 (R3 ₎ = 2 Ω

Mudziviriri 4 (R4 ₎ = 3 Ω

Mhepo yemagetsi (V) = 12 Volts

Solution:

A. Kuramba zvachose (R)

Resistor R ₂ ne resistor R ₃ zvakabatana zvakatevedzana. Resistor yakaenzana:

R ₂₃ = R ₂ + R ₃ = 4 Ω + 2 Ω = 6 Ω

Resistor R ₂₃ ne resistor R ₄ zvakabatana zvakafanana. Resistor yakaenzana:

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 ne resistor R ₂₃₄ zvakabatana zvakatevedzana. Resistor yakaenzana:

R = R ₁ + R ₂₃₄ = 4 Ω + 2 Ω = 6 Ω

Kupikisa kwese ndeye 6 Ohms.

B. Magetsi ari mudunhu (I)

V = IR

V = magetsi emagetsi, I = magetsi emagetsi, R = kudzivirira magetsi

Mwenje wemagetsi:

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

C. Mhepo yemagetsi I ₁

Mhepo yemagetsi mu resistor R ₁ = mhepo yemagetsi mudunhu = 2 Amperes.

D. Ikozvino I ₂

Mudziviriri R₂₃ uye resistor R₄ zvakabatana zvakafanana. Chinodzivirira chakaenzana R₂₃₄ = 2 Ohms.

Mhepo yemagetsi mu resistor R ₂₃₄ = mhepo yemagetsi mu resistor R ₁ = 2 Ampere.

Voltage mu resistor R ₂₃₄ ndeiyi:

V = IR ₂₃₄ = (2 A)(2 Ohm) = 4 Volts

Voltage mu resistor R ₂₃₄ = voltage mu resistor R ₄ = voltage mu resistor R ₂₃ = 4 Volts.

Chinodzivisa chakaenzana R ₂₃ i6 Ohm.

Simba remagetsi mu resistor R ₂₃ nderiri:

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

Mhepo yemagetsi mu resistor R ₂₃ = Mhepo yemagetsi mu resistor R ₂ = Mhepo yemagetsi mu resistor R ₃ = 2/3 Ampere.

6. R ₁ = R ₂ = 10 Ω uye R ₃ = R ₄ = 8 Ω. Chii chinonzi magetsi ari mudunhu sezvakaratidzwa mumufananidzo uri pazasi?

Zvinozivikanwa:

Chidziviriro R ₁ = Chidziviriro R ₂ = 10 Ω

Chidziviriro R ₃ = Chidziviriro R ₄ = 8 Ω

Mhepo yemagetsi (V) = 12 Volts

Zvinodiwa: magetsi (I)

Solution:

Mudziviriri wakaenzana

Resistor R ₃ uye resistor R ₄ zvakabatana zvakafanana, resistor yakaenzana:

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

R ₃₄ = 8/2 = 4 Ω

MaResistors R1 _, R2 _naR34 akabatana mumutsara, resistors yakaenzana _:

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

Mwenje wemagetsi:

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

7. Kana simba rekudzivirira kwebhatiri risingatariswe, chii chinonzi magetsi ari mudunhu rinoratidzwa mumufananidzo uri pazasi?

Zvinozivikanwa:

Mudziviriri R ₁ = 3 Ohm

Mudziviriri R ₂ = 3 Ohm

Mudziviriri R ₃ = 6 Ohm

Mhepo yemagetsi (V) = 6 Volts

Zvinodiwa: Magetsi (I)

Solution:

Chinodzivirira chakaenzana

MaResistors R ₁ naR ₂ akabatana akatevedzana. Resistors yakaenzana:

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

Resistor R ₁₂ neresistor 3 zvakabatana zvakafanana. Resistor yakaenzana:

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

R = 6/2 = 3 Ohms

Mwenje wemagetsi:

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

8. Chii chinonzi magetsi ese ari mudunhu sezvakaratidzwa mumufananidzo uri pazasi?

Zvinozivikanwa:

Mudziviriri R ₁ = 6 Ohm

Mudziviriri R ₂ = 4 Ohm

Mwenje wemagetsi (V) = 6 Volt

Kudzivirira kwemukati (r) = 0.6 Ohms

Zvinodiwa: Magetsi emagetsi

Solution:

Resistor R ₁ ne resistor R ₂ zvakabatana zvakafanana. Resistor yakaenzana:

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 uye resistor yemukati (r) zvakabatana zvakatevedzana. Resistor yakaenzana:

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

Mwenje wemagetsi uri mudunhu:

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

1. Chii chinonzi circuit yemagetsi?
   • mhinduro: Dunhu remagetsi inzira yakavharwa kana kuti loop umo magetsi emagetsi anogona kufamba nguva dzose. Kazhinji kacho rine manyuko emagetsi (senge mabhatiri), zvinhu zvinorema (senge zvinodzivirira, ma LED, mota), uye makondakita ekubatanidza magetsi.
2. Chii chinosiyanisa dunhu rakatevedzana nedunhu rakafanana?
   • mhinduro: Mudunhu rakatevedzana, zvikamu zvakabatana kubva kumagumo kuenda kumagumo, saka pane nzira imwe chete yemagetsi. Mudunhu rakafanana, zvikamu zvakabatana pakati penzvimbo dzakajairika kana makungano, zvichipa nzira dzakawanda dzemagetsi.
3. Mutemo waOhm unobatanidza sei voltage, current, uye resistance mucircuit?
   • mhinduroMutemo waOhm unoti magetsi ($I$) kuyerera nepakati pemuchina wekufambisa pakati penzvimbo mbiri kunoenderana zvakananga nemagetsi ($V$) pakati penzvimbo mbiri uye zvinoenderana nekupikisa ($R$Inomiririrwa se I=V/R​.
4. Basa reswichi mudunhu remagetsi nderei?
   • mhinduro: Switch inodzora kufamba kwemagetsi mudunhu. Kana yakavharwa, inobvumira magetsi kuti afambe; kana yakavhurika, inomisa kana kumisa kufamba kwemagetsi.
5. Sei kufamba kwenguva pfupi kuchionekwa seine njodzi?
   • mhinduro: Muchikamu chidiki chemagetsi, simba remagetsi rinoderera zvikuru, zvichikonzera kuti magetsi awedzere kuyerera. Izvi zvinogona kukonzera kupisa, moto, kana kukuvara kwezvikamu uye zvinofanirwa kudzivirirwa kubva kumafuse kana macircuit breakers.
6. Chii chinoshanda nefuse kana circuit breaker mucircuit?
   • mhinduro: Mafuse nemacircuit breaker zvese zvishandiso zvekudzivirira zvakagadzirirwa kukanganisa circuit kana magetsi adarika mwero wakatarwa wakachengeteka. Kunyange zvazvo mafuse "achiputika" kana "kunyunguduka", achityora circuit, macircuit breaker "anogumburwa", uye anogona kudzoserwa patsva mushure mekunge akanganisa circuit.
7. Mutemo weKirchhoff weParizvino (KCL) unotsanangura sei mafungu ari pamharadzano yedunhu?
   • mhinduro: Mutemo waKirchhoff weParizvino unoti huwandu hwemagetsi anopinda mupanosangana magetsi hwakaenzana nehuwandu hwemagetsi anopinda mupanosangana magetsi iwayo. Ichi chirevo chikuru chekuchengetedzwa kwechaji yemagetsi.
8. Chii musiyano uripo pakati peAC (Alternating Current) neDC (Direct Current)?
   • mhinduro: DC zvinoreva kuyerera kwemagetsi anoshandiswa kuchinjika, kazhinji kubva kubhatiri kana simba reDC. AC, kune rumwe rutivi, isimba remagetsi rinochinja divi nguva nenguva, serinopihwa kubva kugridi remagetsi munyika dzakawanda.
9. Izwi rekuti "pasi" rinorevei mumasekete emagetsi?
   • mhinduro: "Ground" zvinoreva nzvimbo yekunongedzera mudunhu remagetsi umo mamwe mavoltage anoyerwa, kana nzira yakajairika yekudzoka kwemagetsi, kana kubatana kwakananga nePasi.
10. Sei ma capacitor achishandiswa mumasekete emagetsi?

• mhinduro: Macapacitor anochengeta nekuburitsa simba remagetsi. Anoshandiswa mumasekete emagetsi pazvinangwa zvakasiyana-siyana, zvakaita sekusefa, kupfavisa kushanduka kwemagetsi, kubatanidza nekuparadzanisa masaini eAC, uye zvinhu zvenguva mumaoscillator.