Mibvunzo yemuenzaniso weTransformer Transformer

23 Mienzaniso yemibvunzo ye transformer Transformers

1. Transformer ine ma coil ekutanga neechipiri ane ma turns mazana mashanu nemazana mashanu zvichiteerana, akabatana ne network ye 220 V alternating current. Chii chinonzi output voltage?

A. 220 volts

B. 1.100 volts

C. 2.200 volts

D. 22.000 volts

Kukurukurirana

Zvinozivikanwa kuti:

Koiri yekutanga ( NP ) = ₅₀₀ turns

Koiri yechipiri (Ns ₎ = 5000 turns

Voltage yekutanga (V _P ) = 220 Volts

Mubvunzo: Voltage yechipiri (V _S )

Mhinduro:

Fomura yetransformer:

Vs / Ns ₌ V _p / _{N p}

Vs _/ 5000 = 220 / 500

Vs / 5000 = 0,44_​

Vs = (0,44) ₍ 5000)

Vs = _2.200 Volts

Mhinduro chaiyo ndiC.

2. Basa retransformer ndere...

A. kuchinja kwemagetsi nesimba

B. kuchinja magetsi anochinjana

C. direct current voltage regulator

D. gadzira current yakananga kuita current inochinjana

Kukurukurirana

Matransformer anoshanda kushandura voltage ye alternating current (AC). Kune mhando mbiri dzematransformer: ma transformer anokwira kumusoro uye ma transformer anodzika pasi. Ma transformer anokwira kumusoro anowedzera voltage, nepo ma transformer anodzika pasi anoderedza voltage.

Mhinduro chaiyo ndeiyi B.

3. Mu transformer mune coil yekutanga ine maturns zana nemazana maviri uye coil yechipiri ine maturns zana. Kana primary current iri 4 A, saka simba resecond current...

A. 2 Ampere

B. 3 Ampere

C. 4 Amperes

D. 4,8 Amperes

Kukurukurirana

Zvinozivikanwa kuti:

Koiri yekutanga (N _P ) = 1200 turns

Koiri yechipiri (N _S ) = 1000 kutenderera

Simba rekutanga ( _IP ) = 4 Amperes

Mubvunzo: Simba rechipiri (I _S )

Mhinduro:

Fomura yetransformer inotaura hukama huripo pakati pehuwandu hwemakoira anotenderera (N) nemagetsi (I) ndeiyi:

I _S / I _P = N _P / N _S

Simba rechipiri remagetsi ndeiri:

I _S /4 = 1200 /1000

I _S /4 = 1,2

I _S = 1,2 (4)

I _S = 4,8 Ampere

Mhinduro chaiyo ndiD.

4. Pakugadzira transformer, kugadzira voltage yechipiri ye220 volts kubva pavoltage yekutanga ye110 volts, chiyero chehuwandu hwematurns echipiri kune maturns ekutanga ndeche...

A. 2: 3

B. 3: 2

C. 6 : l2

D. 12: 6

Kukurukurirana

Zvinozivikanwa kuti:

Voltage yechipiri (V _S ) = 220 Volts

Voltage yekutanga (V _P ) = 110 Volts

Mubvunzo : Kuenzanisa huwandu hwematende echipiri neakatanga (N _S / N _P )

Mhinduro:

Fomura yetransformer inotaura hukama huripo pakati pemagetsi emagetsi nehuwandu hwemakoira anotenderera ndeiyi:

V _S / V _P = N _S /N _P

220/110 = N _S / N _P

22/11 = N _S / N _P

2/1 = N _S / N _P

12/6 = N _S / N _P

Mhinduro chaiyo ndiD.

5. Tarisa mufananidzo wetransformer uri pazasi!

Voltage huru yetransformer ndeye…

A. 24 Volts

B. 240 Mavolts

C. 264 Volts

D. 340 Mavolts

Kukurukurirana

Zvinozivikanwa kuti:

Voltage yechipiri (V _S ) = 24 Volts

Kutenderedza kwekutanga (NP _kana N ₁ ) = 11 N

Kutenderedza kwechipiri (N _S kana N ₂ ) = 1 N = N

Mubvunzo: Voltage yekutanga (V _P )

Mhinduro:

Fomura yetransformer:

Vs / Ns ₌ V _p / _{N p}

Voltage yekutanga inoverengwa uchishandisa fomura iri pamusoro apa:

Vs / Ns ₌ V _p / _{N p}

24 / N = V _p / 11 N

24 / 1 = V _p / 11

24 = V _p / 11

V _p = (24)(11)

V _p = 264 Volt

Mhinduro chaiyo ndiC.

6. Tarisa mufananidzo uri pazasi! Hukuru hwemagetsi e transformer...

A. 140 Volts

B. 180 Mavolts

C. 630 Volts

D. 720 Mavolts

Kukurukurirana

Zvinozivikanwa kuti:

Kutenderedza kwekutanga (N ₁ ) = 21 N

Kutenderedza kwechipiri (N2 ₎ = 3 N

Voltage yechipiri (V ₂ ) = 20 Volts

Mubvunzo: Voltage yekutanga (V ₁ )

Mhinduro:

Fomura yetransformer:

V ₂ / N ₂ = V ₁ / N ₁

Voltage yekutanga inoverengwa uchishandisa fomura iri pamusoro apa:

20 / 3N = V ₁ / 21N

20 / 1 = V ₁ / 7

20 = V ₁ / 7

V ₁ = (7)(20)

V ₁ = 140 Volt

Mhinduro chaiyo ndiA.

7. Zvinotevera ndizvo zvinoitwa netransformer inokwira netsoka...

A. Voltage yekutanga yakakura kupfuura voltage yechipiri

B. Huwandu hwemakoiri ekutanga hushoma pane huwandu hwemakoiri echipiri.

C. Kuyerera kwemagetsi mu coil yekutanga kudiki pane kuyerera kwemagetsi mu coil yechipiri.

D. Simba rekoiri yechipiri rakakura kupfuura simba rekoiri yekutanga.

Kukurukurirana

Transformer mudziyo unoshandura magetsi anochinja magetsi. Matransformer anouya mumhando mbiri: matransformer anokwira kumusoro uye matransformer anodzika pasi.

Transformer inokwira kumusoro inoshanda kuwedzera voltage yemagetsi kuitira kuti voltage yechipiri ikure kupfuura voltage yekutanga, zvakasiyana, transformer inodzika pasi inoshanda kuderedza voltage yemagetsi kuitira kuti voltage yechipiri iderere pane voltage yekutanga.

Mu transformer inokwira nekudzika, huwandu hwekutenderera kwe coil yechipiri hwakakura kupfuura huwandu hwekutenderera kwe coil yekutanga, zvakasiyana mu transformer inodzika nekudzika, huwandu hwekutenderera kwe coil yechipiri hwakaderera pane huwandu hwekutenderera kwe coil yekutanga.

Mhinduro chaiyo ndeiyi B.

8. Hunhu hwe transformer inokwira netsoka ndehwekuti...

A. voltage yekutanga yakakura kupfuura voltage yechipiri

B. kune mawindings ekutanga akawanda kupfuura mawindings echipiri

C. voltage yekutanga idiki pane voltage yechipiri

D. Kutenderedza kwekutanga kwakafanana nekutenderedza kwechipiri

Kukurukurirana

Transformer mudziyo wekushandura alternating current (AC) voltage. Kune mhando mbiri dzetransformers: step-up transformers uye step-down transformers. Step-up transformers inowedzera voltage, nepo step-down transformers ichideredza voltage.

Hunhu hwe transformer ye step-up ndeiyi:

- Voltage yekutanga idiki, voltage yechipiri yakakura

- kutendeuka kwekutanga kushoma, kutendeuka kwechipiri kwakawanda

Hunhu hwe transformer inodzika pasi ndeinotevera:

- Voltage yekutanga yakakura, voltage yechipiri idiki

- kutenderera kwekutanga kwakawanda, kutenderera kwechipiri kwakaderera

Mhinduro chaiyo ndiC.

9. Tarisa dhayagiramu inotevera yetransformer!

Huwandu hwekutenderera kwechipiri kwetransformer nde….

A. Mapoinzi mazana mashanu nemakumi mashanu (550)

B. 1.000 kutendeuka

C. 2.000 matendeuko

D. Kutendeuka zviuru gumi

Kukurukurirana

Zvinozivikanwa kuti:

Voltage yekutanga (V _P ) = 220 Volts

Kutenderedza kwekutanga (N _P ) = 200 kutenderera

Voltage yechipiri (V _S ) = 1100 Volts

Mubvunzo: Kutenderedza kwechipiri (N _S )

Mhinduro:

Fomura yetransformer:

Vs / Ns ₌ V _p / _{N p}

Huwandu hwekutenderera kwechipiri hunoverengerwa uchishandisa fomura iri pamusoro apa:

Vs / Ns ₌ V _p / _{N p}

1100 Volts / Ns ₌ 220 Volts / 200 kutendeuka

1100 / N ₌ 220 / 200

1100 / N ₌ 1,1

N ₌ 1100 / 1,1

Ns = 1000 _kutendeuka

Mhinduro chaiyo ndeiyi B.

10. Tarisa dhayagiramu inotevera yetransformer!

Huwandu hwekutenderera kwechipiri kwetransformer ndehwekuti…..

A. Mapoinzi mazana mashanu nemakumi mashanu (550)

B. 1.000 kutendeuka

C. 2.000 matendeuko

D. Kutendeuka zviuru gumi

Kukurukurirana

Zvinozivikanwa kuti:

Voltage yekutanga (V _P ) = 220 Volts

Kutenderedza kwekutanga (N _P ) = 200 kutenderera

Voltage yechipiri (V _S ) = 1100 Volts

Mubvunzo: Kutenderedza kwechipiri (N _S )

Mhinduro:

Fomura yetransformer inotaura hukama huripo pakati pevoltage nenhamba yekutenderera ndeiyi:

Vs / Ns ₌ V _p / _{N p}

Kutenderera kwechipiri kunoverengerwa uchishandisa fomura iri pamusoro apa:

Vs / Ns ₌ V _p / _{N p}

1100 / N ₌ 220 / 200

1100 / N ₌ 22 / 20

1100 / N ₌ 1,1

N _S = 1100 / 1,1

N _S = 1000

Nhamba yekutendeuka kwechipiri i1000 turns.

Mhinduro chaiyo ndeiyi B.

11. Teererai data re transformer rinotevera!

Zvichibva padata riri pamusoro apa, zvinogona kugumiswa kuti…

Kukurukurirana

Transformer mudziyo unoshanda kuwedzera kana kuderedza voltage yemagetsi eAC (alternating current). Transformer inoshanda kuwedzera voltage inonzi transformer. kwira-kumusoro uye transformer inoshanda kuderedza voltage inonzi transformer kudzika-pasi.
Transformer ine waya mbiri dzinoti primary coil (N) uye secondary coil (N)._P) uye koiri yechipiri (N)_SPa transformer kwira-kumusoroN_S yakakura kupfuura N_PPa transformer kudzika-pasiN_S kadiki pane N_PTransformer kwira-kumusoro inowedzera voltage, saka voltage yemagetsi mu coil yekutanga idiki uye voltage yemagetsi mu coil yechipiri yakakura. Kusiyana neizvi, transformer kudzika-pasi kudzikisa voltage kuitira kuti voltage yemagetsi pa coil yekutanga ive yakakura uye voltage yemagetsi pa coil yechipiri ive diki.
Transformer A itransformer kudzika-pasi uye transformer B itransformer kwira-kumusoro.
Mhinduro chaiyo ndiC.

12. Tarisa mufananidzo unotevera wetransformer!

Kubva paruzivo rwuri mumufananidzo uri pamusoro, chirevo chakarurama maererano nemufananidzo 1 nemufananidzo 2 zvakateerana ndechekuti…

A. Mufananidzo 1 itransformer inokwira kumusoro uye Mufananidzo 2 itransformer inodzika pasi
B. Mufananidzo 1 itransformer inodzika pasi uye Mufananidzo 2 itransformer inokwira kumusoro
C. Mifananidzo 1 ne2 ma transformer anodzika pasi
D. Mifananidzo 1 ne2 ma transformer anokwira nekudzika.

Kukurukurirana
Pamusoro petransformer kwira-kumusoro (voltage booster), voltage yekutanga idiki uye voltage yechipiri yakakura. Mu transformer kudzika-pasi (chinoderedza voltage), voltage yekutanga yakakura uye voltage yechipiri idiki.
Transformer iri muMufananidzo 1 ine voltage huru kupfuura voltage yechipiri (20 V > 5 V) saka itransformer. kudzika-pasiTransformer iri pamufananidzo wechipiri ine voltage yekutanga iri diki pane voltage yechipiri (5 V < 40 V) saka itransformer. kwira-kumusoro.
Mhinduro chaiyo ndeiyi B.

13. Tarisa mufananidzo unotevera wetransformer!

Kubva pamufananidzo uri pamusoro apa, chirevo chakarurama ndechekuti…
A. Transformer I = transformer inodzika pasi, nekuti N_s > N_p
B. Transformer I = transformer inokwira kumusoro, nekuti V_s <V_p
C. Transformer II = transformer inodzika pasi, nekuti V_p <V_s
D. Transformer II = transformer inokwira kumusoro, nekuti N_p < N_s
Kukurukurirana
Transformer I itransformer kudzika-pasi nekuti V_p > V_s uye Np > Ns.
Transformer II itransformer kwira-kumusoro nekuti V_p <V_s uye N_p < N_s.
Mhinduro chaiyo ndiD.

14. Teererai dhayagiramu inotevera yetransformer!
Kana nhamba yekutenderera kwekoiri iri N₁ = Matendeuko zana uye N₂ = 250 kutenderera, voltage V₂ iri….

A. 100 Volts
B. 150 Mavolts
C. 200 Volts
D. 250 Mavolts

Kukurukurirana

Zvinozivikanwa kuti:
Voltage yekutanga = V_p =V₁ = 40 Mavolts
Koiri huru = N_p = N₁ = 100 kutendeuka
Koiri yechipiri = N_s = N₂ = 250 kutendeuka
Mubvunzo: Voltage yechipiri = V_s =V₂
Mhinduro:

Fomura yetransformer:
V_s / N_s =V_p / N_p
Voltage yechipiri:
V_s / N_s =V_p / N_p
V_s / 250 = 40 / 100
V_s / 250 = 4 / 10
V_s / 250 = 0,4
V_s = (0,4)(250)
V_s = 100 Mavolts
Mhinduro chaiyo ndiA.

15.

Inotevera idhayagiramu yemufananidzo wetransformer yemota yakakodzera ine data rayo. Kana magetsi ari kuyerera kuburikidza ne resistor R ari 4 Amperes, magetsi ari kuyerera kuburikidza ne primary coil….

A. 0,8 A
B. 1,6 A
C. 5,0 A
D. 20 A

Kukurukurirana
Zvinozivikanwa kuti:
Koiri huru = N_p = N₁ = 600 kutendeuka
Mari yechipiri = I_s = Ini₂ = 4 Ampere
Koiri yechipiri = N_s = N₂ = 120 kutendeuka
Mubvunzo: Simba guru = I_p = Ini₁
Mhinduro:
Fomura yetransformer:
I_P N_p = Ini_s N_s
Simba guru remagetsi:
I_P N_p = Ini_s N_s
I_P (600) = (4)(120)
I_P (600) = 480
I_P (60) = 48
I_P = 48/60
I_p = 0,8 Ampere
Mhinduro chaiyo ndiA.

16.
Perhatikan gambar berikut!
Mudhayagiramu inotevera yetransformer, simba guru ndiro….
A. 0,1 A
B. 0,2 A
C. 0,8 A
D. 1,6 A
Kukurukurirana
Zvinozivikanwa kuti:
Voltage yekutanga = V_p =V₁ = 100 Mavolts
Voltage yechipiri = V_s =V₂ = 50 Mavolts
Mari yechipiri = I_s = Ini₂ = 0,4 Ampere
Mubvunzo: Simba guru = I_p = Ini₁
Mhinduro:
Fomura yetransformer:
V_P I_p =V_s I_s
Simba guru remagetsi:
V_P I_p =V_s I_s
(100) I_p = (50)(0,4)
(100) I_p = 20
I_p = 20/100
I_p = 0,2 Ampere
Mhinduro chaiyo ndeiyi B.

17. Tarisa tafura yekuyera voltage uye current ye transformer yakakodzera pazasi!
Zvichibva patafura iri pamusoro, maR neP values ​​​​ndi…

A. R = 600 Volts; P = 30 turns
B. R = 200 Volts; P = 30 kutenderera
C. R = 60 Volts; P = 40 kutenderera
D. R = 20 Volts; P = 40 kutenderera
E. R = 10 Volts; P = 20 kutenderera

Kukurukurirana

Fomura yetransformer
V_s N_p = N_s V_p  uye V_p I_p =V_s I_s
Information :
V_s = voltage yechipiri, V_p = voltage yekutanga, N_s = kutenderera kwechipiri, N_p = kutenderera kwekutanga_, I_p = simba guru remagetsi, I_s = simba rechipiri remagetsi
Voltage yekutanga (V)_p)
V_p I_p =V_s I_s
V_p (4) = (10)(80)
V_p = 800/4
V_p = R = 200 Volt
Kutenderedza kwechipiri (N)_s)
V_s N_p = N_s V_p
(10)(600) = N_s (200)
6000 = 200 N_s
N_s = 6000/200
N_s = P = kutendeuka makumi matatu
Mhinduro chaiyo ndeiyi B.

18. Tafura inotevera inoratidza data rematransformer maviri akakodzera.
Zvichibva padata riri patafura iri pamusoro, kukosha kwaK naL ndiko…

A. K = 1 A uye L = 20 Volts
B. K = 2 A uye L = 30 Volts
C. K = 3 A uye L = 40 Volts
D. K = 4,5 A uye L = 53 Volts
E. K = 5 A uye L = 30 Volts

Kukurukurirana
Shandisa imwe yemafomura etransformer kuti uone secondary current yetransformer 1 uye secondary voltage yetransformer 2. Kana uchiverenga secondary current yetransformer 1, shandisa data retransformer 1, saizvozvowo kana uchiverenga secondary voltage yetransformer 2, shandisa data retransformer 2.
Simba rechipiri remagetsi (I)_s) transformer 1
V_p I_p =V_s I_s
(200)(3) = (300)(I)_s)
I_s = 600/300
I_s = K = 2 Ampere
Voltage yechipiri (V)_s) transformer 2
V_p I_p =V_s I_s
(40)(0,75) = V_s (1)
V_s = L = 30 Volt
Mhinduro chaiyo ndeiyi B.

19. Teererai data rekuyera huwandu hwakati wandei mutransformer inotevera!
Zvichibva padata riri patafura iri pamusoro, kukosha kwaP naQ ndiko…
A. P = 100 Volts uye Q = 4 Amperes
B. P = 100 Volts uye Q = 6 Amperes
C. P = 110 Volts uye Q = 4 Amperes
D. P = 110 Volts uye Q = 2 Amperes
E. P = 220 Volts uye Q = 2 Amperes
Kukurukurirana
Voltage yekutanga (V)_p)
V_s N_p = N_s V_p
(220)(300) = (600) V_p
(220)(3) = (6) V_p
660 = 6 V_p
V_p = 660/6
V_p = P = 110 Volt
Simba guru remagetsi (I)_p)
V_p I_p =V_s I_s
(110)(I)_p) = (220)(2)
(110)(I)_p= = 440
I_p = 440/110
I_p = Q = 4 Ampere
Mhinduro chaiyo ndiC.

20. Kukurukurirana kweSMA/MA fizikisi Mibvunzo yeUN - Transformers

1. Transformer yakanaka ine coil yayo yekutanga yakabatana ne voltage source uye coil yayo yechipiri yakabatana ne rambi sezvakaratidzwa mumufananidzo unotevera. Ndeupi mutsara wakarurama?

A. Chiedza chichadzikira kana kutenderedzwa kwekutanga kukaderedzwa.

B. Mwenje uchapenya kana jira rechipiri rikawedzerwa.

C. Rambi rinodzikira kana voltage yekutanga ikawedzerwa.

D. Rambi richapenya zvikuru kana kutenderedzwa kwekutanga kukaderedzwa.

E. Kupenya kana kuderera kwechiedza kuchave kwakafanana kunyangwe coil ikachinjwa.

Kukurukurirana

Kuchinja huwandu hwemakoira esimbi kunoenderana chete nerudzi rwetransformer. Kana huwandu hwemakoira esimbi hwakaderedzwa, zvichikonzera makoira esimbi esimbi akawanda, transformer inova transformer inokwira nekukwira, zvichiwedzera voltage. Saizvozvowo, kana huwandu hwemakoira esimbi esimbi hukawedzera, zvichikonzera makoira esimbi mashoma, transformer inova transformer inodzika nekudzika, zvichideredza voltage.

Zvakakosha kurangarira kuti sezvo voltage ichiwedzera, magetsi anodzikira, saka simba rinoramba riripo (P = VI). Simba ndiko kuchinja kwesimba remagetsi panguva yakatarwa. Kana simba rekupinda rakaenzana nesimba rekubudisa, huwandu hwesimba rinoshandiswa hwakafananawo.

Kupenya kana kusviba kwechiedza kunoenderana nehuwandu hwesimba remagetsi rinoshandurwa kuita chiedza. Kana simba remagetsi rakawanda rikachinjwa kuita chiedza, chiedza chichava chakajeka; zvakasiyana, kana huwandu hushoma chete hukachinjwa kuita chiedza, chiedza chichava chakaderera. Nekuti simba remagetsi rinochengetwa, kupenya kana kusviba kwechiedza kucharamba kwakafanana. 

Mhinduro chaiyo ndiE.

21. Mufananidzo uri pazasi unoratidza transformer yakakodzera. Coil yekutanga yakabatana ne voltage source uye coil yechipiri yakabatana ne rambi (L). Zvadaro mamiriro erambi achava….

A. Kupenya kwakajairika kana denderedzwa rekutanga richichinjwa

B. Inodzikira kana voltage yekutanga yawedzerwa

C. Zvinopenya kana jira rechipiri rikawedzerwa.

D. Dimmer kana winding yechipiri yakawedzerwa

E. Inopenya kana kutenderera kwekutanga kukaderedzwa.

Kukurukurirana

Simba rekuisa = P = VI = (200 Volts)(2 Ampere) = 400 Watts = Simba rekuisa

Matransformer anongoderedza voltage chete asi kwete simba. Simba rekupinda rakaenzana nesimba rekubudisa, saka simba remagetsi rinoshandiswa panguva yakatarwa rakafananawo. Nokudaro, kupenya kwechiedza kunoramba kwakajairwa, kana kuti kusina kuchinja.

Mhinduro chaiyo ndiA. 

Ndiyo chete hurukuro yemibvunzo yemuenzaniso nezve transformers.

22. Mudzidzi anoda simba reAC re18 W. Anobatanidza transformer ine simba re75% uye maturns akawanda e100 ne200 kubhatiri re12 V. Zvinoonekwa kuti haawani simba raanoda. Anoona kuti simba reAC riri...

A. 36 W nekuti inobatanidza matenderedzwa zana kubhatiri.

B. 24 W nekuti inobatanidza matenderedzwa mazana maviri nebhatiri

C. 12 W nekuti inobatanidza matenderedzwa mazana maviri nebhatiri

D. 0 W nekuti inobatanidza ma coil mazana maviri nebhatiri.

E. 18 W nekuti inobatanidza matenderedzwa mazana maviri nebhatiri

Kukurukurirana

Transformer mudziyo wekuwedzera kana kuderedza voltage yeAC. Mabhatiri ndiwo manyuko evoltage yeDC.

Mhinduro chaiyo ndiD.

23. Tarisa tafura inotevera yetransformer!

Chirevo chaicho pamusoro pematransformer P na Q ndechekuti…

A. P itransformer inodzika pasi nekuti Is < Ip

B. P itransformer inokwira nhanho nekuti Vp < Vs

C. Q itransformer inokwira nhanho nekuti Vp > Vs

D. Q itransformer inokwira nhanho nekuti Is > Ip

Kukurukurirana

P itransformer inokwira nedanho nekuti voltage yekutanga (Vp = 110 V) < voltage yechipiri (Vs = 200 V).

Q itransformer inodzika netsoka nekuti voltage yekutanga (Vp = 220 V) > voltage yechipiri (Vs = 110 V).

Mhinduro chaiyo ndeiyi B.

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