Maseketi emagetsi - matambudziko nemhinduro

Maseketi emagetsi - matambudziko nemhinduro

1.R₁, = 6 Ω, R₂ =R₃ = 2 Ω, uye voltage = 14 volts, sarudza magetsi in dunhu sezvakaratidzwa mumufananidzo uri pazasi.

Zvinozivikanwa:

Resistor 1 (R₁) = 6 Ω

Mudziviriri 2 (R)₂) = 2 Ω

Mudziviriri 3 (R)₃) = 2 Ω

Voltage (V) = 14 Volt

Zvaidiwa: Mwenje wemagetsi (I)

Solution:

Chinodzivirira chakaenzana (R):

R₂ uye R₃ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

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

R₂₃ = 2/2 = 1 Ω

R₁ uye R₂₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R = R₁ +R₂₃ = 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 uye R₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R_A =R₁ +R₂ +R₃ = R + R + R = 3R

Mwenje wemagetsi (I):

Mhinduro B.

R₁, R₂ uye R₃ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

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

R_B = R/3

Mwenje wemagetsi (I):

Mhinduro C.

R₂ uye R₃ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

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

R₂₃ = R/2

R₁ uye R₂₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

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

Mwenje wemagetsi (I):

Mhinduro D.

R₁ uye R₂ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

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

R₁₂ = R/2

R₁₂ uye R₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

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

Mwenje wemagetsi (I):

3.R₁ = 4 ohms, R₂ = 6 ohms, R₃ = 2 ohms, uye V = 24 volts. Chii chinonzi magetsi ari mudunhu sezvakaratidzwa mumufananidzo uri pazasi?

Zvinozivikanwa:

Mudziviriri 1 (R)₁) = 4 Ohms

Mudziviriri 2 (R)₂) = 6 Ohms

Mudziviriri 3 (R)₃) = 2 Ohms

Voltage (V) = 24 Volt

Zvaidiwa: Mwenje wemagetsi uri mudunhu

Solution:

R₁, R₂ uye R₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R = R₁ +R₂ +R₃ = 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:

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

R₂ uye R₃ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

1 / R₂₃ = 1 / R₂ +1/R₃ = 1/4 + 1/4 = 2/4 = 1/2

R₂₃ = 2/1 = 2 Ω

R₁ uye R₂₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R = R₁ +R₂₃ = 3 Ω + 2 Ω = 5 Ω

Mwenje wemagetsi (I):

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

Mwenje wemagetsi uri mudunhu B.

Chinodzivirira chakaenzana:

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

R₁, R₂ uye R₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R = R₁ +R₂ +R₃ = 8 + 2 + 2 = 12 Ω

Mwenje wemagetsi (I):

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

Mwenje wemagetsi uri mudunhu C.

Chinodzivirira chakaenzana:

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

R₂ uye R₃ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

1 / R₂₃ = 1 / R₂ +1/R₃ = 1/4 + 1/4 + 1/6 = 3/12 + 3/12 + 2/12 = 8/12

R₂₃ = 12/8 = 1.5 Ω

Mwenje wemagetsi (I):

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

Mwenje wemagetsi uri mudunhu D.

Chinodzivirira chakaenzana:

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

R₂, R₃ uye R₄ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

1 / R₂₃₄ = 1 / R₂ +1/R₃ +1/R₄ = 1/3 + 1/3 + 1/3 = 3/3

R₂₃₄ = 3/3 = 1 Ω

R₁, R₂₃₄ uye R₅ dzakabatana munhevedzano. Zvinodzivirira zvakaenzana:

R = R₁ +R₂₃₄ +R₅ = 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. Iye zvino I₁

D. Iye zvino I₂

Zvinozivikanwa:

Mudziviriri 1 (R)₁) = 4 Ω

Mudziviriri 2 (R)₂) = 4 Ω

Mudziviriri 3 (R)₃) = 2 Ω

Mudziviriri 4 (R)₄) = 3 Ω

Mhepo yemagetsi (V) = 12 Volts

Solution:

A. Kuramba zvachose (R)

Mudziviriri R₂ uye resistor R₃ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R₂₃ =R₂ +R₃ = 4 Ω + 2 Ω = 6 Ω

Mudziviriri R₂₃ uye resistor R₄ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

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

R₂₃₄ = 6/3 = 2 Ω

Mudziviriri R₁ uye resistor R₂₃₄ dzakatevedzana dzakabatana. Chinodzivirira chakaenzana:

R = R₁ +R₂₃₄ = 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 I₁

Mwenje wemagetsi mu resistor R₁ = magetsi ari mudunhu = 2 Ampere.

D. Iye zvino I₂

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

Mwenje wemagetsi mu resistor R₂₃₄ = magetsi ari mu resistor R₁ = 2 Amperes.

Voltage mu resistor R₂₃₄ ndiko:

V = IR₂₃₄ = (2 A)(2 Ohm) = 4 Volt

Voltage mu resistor R₂₃₄ = voltage mu resistor R₄ = voltage mu resistor R₂₃ = 4 Volts.

Mudziviriri wakaenzana R₂₃ ndiyo 6 Ohm.

Mwenje wemagetsi mu resistor R₂₃ nde:

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

Mwenje wemagetsi mu resistor R₂₃ = Mwenje wemagetsi uri mu resistor R₂ = magetsi ari mu resistor R₃ = 2/3 Ampere.

6.R₁ =R₂ = 10 Ω uye R₃ =R₄ = 8 Ω. Chii chinonzi magetsi ari mudunhu sezvakaratidzwa mumufananidzo uri pazasi?

Zvinozivikanwa:

Mudziviriri R₁ = Mudziviriri R₂ = 10 Ω

Mudziviriri R₃ = Mudziviriri R₄ = 8 Ω

Mhepo yemagetsi (V) = 12 Volts

Zvaidiwa: magetsi (I)

Solution:

The chinodzivisa chakaenzana

Mudziviriri R₃ uye resistor R₄ dzakabatana zvakafanana, resistor yakaenzana:

1 / R₃₄ = 1 / R₃ +1/R₄ = 1/8 + 1/8 = 2/8

R₃₄ = 8/2 = 4 Ω

Mudziviriri R₁, R₂ uye R₃₄ dzakabatana dzakatevedzana, resistor yakaenzana:

R = R₁ +R₂ +R₃₄ = 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 R₁ = 3 Ohms

Mudziviriri R₂ = 3 Ohms

Mudziviriri R₃ = 6 Ohms

Mhepo yemagetsi (V) = 6 Volts

Zvaidiwa: Mwenje wemagetsi (I)

Solution:

Chinodzivirira chakaenzana

Mudziviriri R₁ uye R₂ zvakabatana zvakatevedzana. Chinodzivirira chakaenzana:

R₁₂ =R₁ +R₂ = 3 Ohms + 3 Ohms = 6 Ohms

Mudziviriri R₁₂ uye resistor 3 zvakabatana zvakafanana. Resistor yakaenzana:

1/R = 1/R₁₂ +1/R₃ = 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 R₁ = 6 Ohms

Mudziviriri R₂ = 4 Ohms

Mwenje wemagetsi (V) = 6 Volt

Kudzivirira kwemukati (r) = 0.6 Ohms

Zvaidiwa: Magetsi emagetsi

Solution:

Mudziviriri R₁ uye resistor R₂ zvakabatana zvakafanana. Chinodzivirira chakaenzana:

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

R_P = 24/10 = 2.4 Ohms

Mudziviriri R_P uye resistance yemukati (r) zvakabatana zvakatevedzana. Resistor yakaenzana:

R = R_P + r = 2.4 Ohms + 0.6 Ohms = 3.0 Ohms

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.