Zitsanzo 23 za mafunso a transformer Transformers
1. Transformer ili ndi ma coil oyambira ndi achiwiri okhala ndi ma turn 500 ndi 5000 motsatana, olumikizidwa ku netiweki ya 220 V alternating current. Kodi ndi chiyani? tegangan zotsatira zake?
A. 220 volt
B. 1.100 volts
C. 2.200 volts
D. 22.000 volts
Zokambirana
Amadziwika kuti:
Chozungulira chachikulu (NP= = 500 koyilo
Koyilo yachiwiri (N)s= = 5000 koyilo
Voliyumu yoyamba (V)P) = 220 Volt
Anafunsa kuti: Voliyumu yachiwiri (V)S)
Yankho:
Fomula ya transformer:
Vs / Ns =Vp / Np
Vs / 5000 = 220 / 500
Vs / 5000 = 0,44
Vs = (0,44)(5000)
Vs = Ma Volti 2.200
Yankho lolondola ndi C.
2. Ntchito ya transformer ndi...
A. kusintha kwa magetsi ndi mphamvu
B. kusintha kwa mphamvu yamagetsi yosinthira
C. chowongolera chamagetsi chamagetsi chamakono
D. pangani mphamvu yolunjika kukhala mphamvu yosinthira
Zokambirana
Ma transformer amagwira ntchito yosintha magetsi a alternating current (AC). Pali mitundu iwiri ya ma transformer: ma transformer owonjezera mphamvu ndi ma transformer owonjezera mphamvu. Ma transformer owonjezera mphamvu amawonjezera mphamvu, pomwe ma transformer owonjezera mphamvu amachepetsa mphamvu.
Yankho lolondola ndi B.
3. Mu transformer muli coil yoyamba yomwe ili ndi ma turn 1200 ndi coil yachiwiri yomwe ili ndi ma turn 1000. Ngati primary current ndi 4 A, ndiye kuti mphamvu yachiwiri ya current ndi...
A. 2 Ampere
B. 3 Ampere
C. 4 Ampere
D. 4,8 Ampere
Zokambirana
Amadziwika kuti:
Koyilo yoyamba (N)P) = 1200 kutembenuka
Koyilo yachiwiri (N)S) = 1000 kutembenuka
Mphamvu yamagetsi yoyamba (I)P) = 4 Ampere
Anafunsa kuti: Mphamvu yamagetsi yachiwiri (I)S)
Yankho:
Fomula ya transformer yomwe imafotokoza ubale pakati pa kuchuluka kwa ma coil turns (N) ndi magetsi (I) ndi iyi:
IS/IP = NP/NS
Mphamvu yachiwiri yamagetsi ndi:
IS/ 4 = 1200/ 1000
IS/ 4 = 1,2
IS = 4,8 Ampere
Yankho lolondola ndi D.
4. Popanga transformer, kuti ipange voltage yachiwiri ya ma volts 220 kuchokera ku voltage yoyamba ya ma volts 110, chiŵerengero cha chiwerengero cha ma turns achiwiri ndi ma turns oyamba ndi...
A. 2: 3
B. 3: 2
C. 6 : l2
D. 12: 6
Zokambirana
Amadziwika kuti:
Voliyumu yachiwiri (V)S) = 220 Volt
Voliyumu yoyamba (V)P) = 110 Volt
Anafunsa : Chiŵerengero cha chiwerengero cha matembenuzidwe achiwiri ndi chiwerengero cha matembenuzidwe oyambira (NS/NP)
Yankho:
Fomula ya transformer yomwe imafotokoza ubale pakati pa magetsi amagetsi ndi kuchuluka kwa ma coil turns ndi:
VS/VP = NS/NP
220/110 = NS/NP
22/11 = NS/NP
12/6 = NS/NP
Yankho lolondola ndi D.
5. Onani chithunzi cha transformer pansipa!
Voltage yoyamba ya transformer ndi…
A. 24 Volt
B. 240 Volt
C. 264 Volt
D. 340 Volt
Zokambirana
Amadziwika kuti:
Voliyumu yachiwiri (V)S) = 24 Volt
Kuzungulira koyamba (N)P kapena N1) = 11 N
Kuzungulira kwachiwiri (N)S kapena N2) = 1 N = N
Anafunsa kuti: Voliyumu yoyamba (V)P)
Yankho:
Fomula ya transformer:
Vs / Ns =Vp / Np
Voltage yoyamba imawerengedwa pogwiritsa ntchito fomula pamwambapa:
Vs / Ns =Vp / Np
24 / N = Vp / 11 N
24 / 1 = Vp / 11
24 = Vp / 11
Vp = Ma Volti 264
Yankho lolondola ndi C.
6. Yang'anani chithunzi chili pansipa! Kukula kwa mphamvu yamagetsi yolowera ya transformer ndi...
A. 140 Volt
B. 180 Volt
C. 630 Volt
D. 720 Volt
Zokambirana
Amadziwika kuti:
Kuzungulira koyamba (N)1) = 21 n
Kuzungulira kwachiwiri (N)2) = 3 n
Voliyumu yachiwiri (V)2) = Ma Volti 20
Anafunsa kuti: Voliyumu yoyamba (V)1)
Yankho:
Fomula ya transformer:
V2 / N2 =V1 / N1
Voltage yoyamba imawerengedwa pogwiritsa ntchito fomula pamwambapa:
20 / 3N = V1 / 21N
20 / 1 = V1 / 7
20 = V1 / 7
V1 = Ma Volti 140
Yankho lolondola ndi A.
7. Izi ndi zizindikiro za transformer yokwera pamwamba...
A. Voliyumu yoyamba ndi yayikulu kuposa voliyumu yachiwiri
B. Chiwerengero cha ma coil oyambira ndi chochepa kuposa chiwerengero cha ma coil achiwiri.
C. Mphamvu yamagetsi mu coil yoyamba ndi yaying'ono kuposa mphamvu yamagetsi mu coil yachiwiri.
D. Mphamvu ya coil yachiwiri ndi yayikulu kuposa mphamvu ya coil yoyamba.
Zokambirana
Transformer ndi chipangizo chomwe chimasintha magetsi osinthira magetsi kukhala magetsi osinthira magetsi. Ma transformer amabwera m'mitundu iwiri: chosinthira chokwera pamwamba dani chosinthira chotsika pansi.
Transformer yokwera imagwira ntchito yokweza magetsi kuti voteji yachiwiri ikhale yayikulu kuposa voteji yoyamba, mosiyana ndi zimenezi, transformer yotsika imagwira ntchito yochepetsa magetsi kuti voteji yachiwiri ikhale yocheperapo kuposa voteji yoyamba.
Mu transformer yokwera mmwamba, kuchuluka kwa ma turn a coil yachiwiri ndi kochulukirapo kuposa kuchuluka kwa ma turn a coil yoyamba, mosiyana mu transformer yotsika mmwamba, kuchuluka kwa ma turn a coil yachiwiri ndi kochepera kuposa kuchuluka kwa ma turn a coil yoyamba.
Yankho lolondola ndi B.
8. Makhalidwe a transformer yokwera ndi...
A. voteji yoyamba ndi yayikulu kuposa voteji yachiwiri
B. Pali ma windings ambiri oyambira kuposa ma windings achiwiri
C. voteji yoyamba ndi yaying'ono kuposa voteji yachiwiri
D. Kuzungulira koyambirira ndi kofanana ndi kuzungulira kwachiwiri
Zokambirana
Transformer ndi chipangizo chosinthira magetsi osinthira magetsi (AC). Pali mitundu iwiri ya ma transformer: ma transformer owonjezera mphamvu ndi ma transformer owonjezera mphamvu. Ma transformer owonjezera mphamvu amawonjezera mphamvu, pomwe ma transformer owonjezera mphamvu amachepetsa mphamvu.
Makhalidwe a transformer ya step-up ndi awa:
- Voliyumu yoyamba ndi yocheperako, voliyumu yachiwiri ndi yayikulu
- kutembenuka kochepa koyamba, kutembenuka kwachiwiri kwambiri
Makhalidwe a transformer yotsika pansi ndi awa:
- Voltage yoyamba ndi yayikulu, voltage yachiwiri ndi yaying'ono
- kutembenukira koyamba kwambiri, kutembenukira kwachiwiri kochepa
Yankho lolondola ndi C.
9. Yang'anani chithunzi chotsatira cha transformer!
Chiwerengero cha ma turn achiwiri a transformer ndi….
A. Mapeto 550
B. Mapeto 1.000
C. Mapeto 2.000
D. Mapeto 10.000
Zokambirana
Amadziwika kuti:
Voliyumu yoyamba (V)P) = 220 Volt
Kuzungulira koyamba (N)P) = 200 kutembenuka
Voliyumu yachiwiri (V)S) = 1100 Volt
Anafunsa kuti: Kuzungulira kwachiwiri (N)S)
Yankho:
Fomula ya transformer:
Vs / Ns =Vp / Np
Chiwerengero cha maulendo achiwiri chimawerengedwa pogwiritsa ntchito fomula yomwe ili pamwambapa:
Vs / Ns =Vp / Np
Ma Volti 1100 / Ns = Ma Volti 220 / Ma turn 200
1100 / Ns = 220/200
Ns = 1100/1,1
Ns = Mapeto 1000
Yankho lolondola ndi B.
10. Yang'anani chithunzi chotsatira cha transformer!
Chiwerengero cha ma turn achiwiri a transformer ndi…..
A. Mapeto 550
B. Mapeto 1.000
C. Mapeto 2.000
D. Mapeto 10.000
Zokambirana
Amadziwika kuti:
Voliyumu yoyamba (V)P) = 220 Volt
Kuzungulira koyamba (N)P) = 200 kutembenuka
Voliyumu yachiwiri (V)S) = 1100 Volt
Anafunsa kuti: Kuzungulira kwachiwiri (N)S)
Yankho:
Fomula ya transformer yomwe imafotokoza ubale pakati pa voltage ndi kuchuluka kwa ma turns ndi:
Vs / Ns =Vp / Np
Kuzungulira kwachiwiri kumawerengedwa pogwiritsa ntchito njira yomwe ili pamwambapa:
Vs / Ns =Vp / Np
1100 / NS = 220/200
1100 / NS = 1,1
NS = 1100/1,1
NS = 1000
Chiwerengero cha matembenuzidwe achiwiri ndi matembenuzidwe 1000.
Yankho lolondola ndi B.
11. Samalani deta yotsatirayi ya transformer!
Kutengera ndi deta yomwe ili pamwambapa, zitha kutsimikizika kuti…
Zokambirana
Transformer ndi chipangizo chomwe chimagwira ntchito yowonjezera kapena kuchepetsa mphamvu ya magetsi a AC (alternating current). Transformer yomwe imagwira ntchito yowonjezera mphamvu imatchedwa transformer. kukwera ndipo transformer yomwe imagwira ntchito yochepetsa magetsi imatchedwa transformer potsika.
Transformer ili ndi ma waya awiri, omwe ndi primary coil (N) ndi secondary coil (N).P) ndi coil yachiwiri (NSPa transformer kukwera, NS chachikulu kuposa NPPa transformer potsika, NS kakang'ono kuposa NPTransformer kukwera kumawonjezera mphamvu yamagetsi, motero mphamvu yamagetsi mu coil yoyamba ndi yochepa ndipo mphamvu yamagetsi mu coil yachiwiri ndi yayikulu. Mosiyana ndi zimenezi, transformer potsika kuchepetsa mphamvu yamagetsi kuti mphamvu yamagetsi pa coil yoyamba ikhale yayikulu ndipo mphamvu yamagetsi pa coil yachiwiri ikhale yocheperako.
Transformer A ndi transformer potsika ndipo transformer B ndi transformer kukwera.
Yankho lolondola ndi C.
12. Yang'anani chithunzi chotsatira cha transformer!
Kuchokera pa zomwe zili pachithunzi pamwambapa, mawu olondola okhudza chithunzi 1 ndi chithunzi 2 motsatana ndi awa…
A. Chithunzi 1 ndi transformer yokwera mmwamba ndipo Chithunzi 2 ndi transformer yotsika mmwamba
B. Chithunzi 1 ndi transformer yotsika pansi ndipo Chithunzi 2 ndi transformer yokwera mmwamba
C. Zithunzi 1 ndi 2 ndi ma transformer otsikira pansi
D. Zithunzi 1 ndi 2 ndi ma transformer oyenda pang'onopang'ono.
Zokambirana
Pa transformer kukwera (voltage booster), voltage yoyamba ndi yocheperako ndipo voltage yachiwiri ndi yayikulu. Mu transformer potsika (chochepetsa ma voltage), voltage yoyamba ndi yayikulu ndipo voltage yachiwiri ndi yaying'ono.
Transformer yomwe ili mu Chithunzi 1 ili ndi voltage yayikulu kuposa voltage yachiwiri (20 V > 5 V) ndipo chifukwa chake ndi transformer. potsikaTransformer yomwe ili pachithunzi 2 ili ndi voltage yoyamba yomwe ndi yaying'ono kuposa voltage yachiwiri (5 V < 40 V) ndipo chifukwa chake ndi transformer. kukwera.
Yankho lolondola ndi B.
13. Onani chithunzi chotsatira cha transformer!
Kuchokera pachithunzi pamwambapa, chiganizo cholondola ndi…
A. Transformer I = transformer yotsika pansi, chifukwa Ns > Np
B. Transformer I = transformer yowonjezera, chifukwa Vs < Vp
C. Transformer II = transformer yotsika pansi, chifukwa Vp < Vs
D. Transformer II = transformer yokwera pang'onopang'ono, chifukwa Np < Ns
Zokambirana
Transformer I ndi transformer potsika chifukwa Vp > Vs ndi Np > Ns.
Transformer II ndi transformer kukwera chifukwa Vp < Vs ndi Np < Ns.
Yankho lolondola ndi D.
14. 
Samalani chithunzi chotsatira cha transformer!
Ngati chiwerengero cha ma coil turns ndi N1 = Mapeto 100 ndi N2 = Ma turn 250, voteji V2 ndi….
A. 100 Volt
B. 150 Volt
C. 200 Volt
D. 250 Volt
Zokambirana
Amadziwika kuti:
Voliyumu yoyamba = Vp =V1 = Ma Volti 40
Koyilo yoyamba = Np = N1 = Mapeto 100
Koyilo yachiwiri = Ns = N2 = Mapeto 250
Funso: Voltage yachiwiri = Vs =V2
Yankho:
Fomula ya transformer:
Vs / Ns =Vp / Np
Voliyumu yachiwiri:
Vs / Ns =Vp / Np
Vs / 250 = 40 / 100
Vs / 250 = 4 / 10
Vs / 250 = 0,4
Vs = (0,4)(250)
Vs = Ma Volti 100
Yankho lolondola ndi A.
15.
Chotsatirachi ndi chithunzi cha transformer yoyenera ya mota yokhala ndi deta yake. Ngati mphamvu yamagetsi yomwe ikuyenda kudzera mu resistor R ndi 4 Amperes, mphamvu yamagetsi yomwe ikuyenda kudzera mu coil yoyamba ndi….
A. 0,8 A
B. 1,6 A
C. 5,0 A
D. 20 A
Zokambirana
Amadziwika kuti:
Koyilo yoyamba = Np = N1 = Mapeto 600
Mphamvu yachiwiri = Is = Ine2 = 4 Ampere
Koyilo yachiwiri = Ns = N2 = Mapeto 120
Funso: Mphamvu yoyamba = Ip = Ine1
Yankho:
Fomula ya transformer:
IP Np = Ines Ns
Mphamvu yayikulu yamagetsi:
IP Np = Ines Ns
IP (600) = (4)(120)
IP (600) = 480
IP (60) = 48
IP = 48/60
Ip = 0,8 Ampere
Yankho lolondola ndi A.
16.
Dziwani zambiri!
Mu chithunzi chotsatira cha transformer, mphamvu yayikulu ndi….
A. 0,1 A
B. 0,2 A
C. 0,8 A
D. 1,6 A
Zokambirana
Amadziwika kuti:
Voliyumu yoyamba = Vp =V1 = Ma Volti 100
Mphamvu yachiwiri yamagetsi = Vs =V2 = Ma Volti 50
Mphamvu yachiwiri = Is = Ine2 = 0,4 Ampere
Funso: Mphamvu yoyamba = Ip = Ine1
Yankho:
Fomula ya transformer:
VP Ip =Vs Is
Mphamvu yayikulu yamagetsi:
VP Ip =Vs Is
(100) inep = (50)(0,4)
(100) inep = 20
Ip = 20/100
Ip = 0,2 Ampere
Yankho lolondola ndi B.
17. Yang'anani tebulo loyezera mphamvu yamagetsi ndi mphamvu yamagetsi kuti mupeze transformer yoyenera pansipa!
Kutengera tebulo lomwe lili pamwambapa, ma R ndi P ndi…
A. R = 600 Volts; P = 30 turns
B. R = 200 Volts; P = 30 turns
C. R = 60 Volts; P = 40 turns
D. R = 20 Volts; P = 40 turns
E. R = 10 Volts; P = 20 turns
Zokambirana
Fomula yosinthira
Vs Np = Ns Vp ndi Vp Ip =Vs Is
Zambiri:
Vs = mphamvu yachiwiri yamagetsi, Vp = mphamvu yamagetsi yoyamba, Ns = kuzunguliza kwachiwiri, Np = kuzungulira koyamba, Ip = mphamvu yamagetsi yoyamba, Is = mphamvu yachiwiri yamagetsi
Voliyumu yoyamba (V)p)
Vp Ip =Vs Is
Vp (4) = (10)(80)
Vp = 800/4
Vp = R = 200 Volt
Kuzungulira kwachiwiri (N)s)
Vs Np = Ns Vp
(10)(600) = Ns (200)
6000 = 200 Ns
Ns = 6000/200
Ns = P = 30 kutembenuka
Yankho lolondola ndi B.
18. Tebulo lotsatirali likuwonetsa deta ya ma transformer awiri abwino kwambiri.
Kutengera ndi deta yomwe ili patebulo pamwambapa, mitengo ya K ndi L ndi…
A. K = 1 A ndi L = 20 Volts
B. K = 2 A ndi L = 30 Volts
C. K = 3 A ndi L = 40 Volts
D. K = 4,5 A ndi L = 53 Volts
E. K = 5 A ndi L = 30 Volts
Zokambirana
Gwiritsani ntchito imodzi mwa njira zosinthira kuti mudziwe mphamvu yachiwiri ya transformer 1 ndi mphamvu yachiwiri ya transformer 2. Ngati mukuwerengera mphamvu yachiwiri ya transformer 1, gwiritsani ntchito deta ya transformer 1, momwemonso ngati mukuwerengera mphamvu yachiwiri ya transformer 2, gwiritsani ntchito deta ya transformer 2.
Mphamvu yamagetsi yachiwiri (I)s) chosinthira 1
Vp Ip =Vs Is
(200)(3) = (300)(I)s)
Is = 600/300
Is = K = 2 Ampere
Voliyumu yachiwiri (V)s) chosinthira 2
Vp Ip =Vs Is
(40)(0,75) = Vs (1)
Vs = L = 30 Volt
Yankho lolondola ndi B.
19. Samalani deta yoyezera kuchuluka kwa zinthu zingapo mu transformer yotsatirayi!
Kutengera ndi deta yomwe ili patebulo pamwambapa, mitengo ya P ndi Q ndi…
A. P = 100 Volts ndi Q = 4 Amperes
B. P = 100 Volts ndi Q = 6 Amperes
C. P = 110 Volts ndi Q = 4 Amperes
D. P = 110 Volts ndi Q = 2 Amperes
E. P = 220 Volts ndi Q = 2 Amperes
Zokambirana
Voliyumu yoyamba (V)p)
Vs Np = Ns Vp
(220)(300) = (600) Vp
(220)(3) = (6) Vp
660 = 6 Vp
Vp = 660/6
Vp = P = 110 Volt
Mphamvu yamagetsi yoyamba (I)p)
Vp Ip =Vs Is
(110)(I)p) = (220)(2)
(110)(I)p= = 440
Ip = 440/110
Ip = Q = 4 Ampere
Yankho lolondola ndi C.
20. Kukambirana za mafunso a SMA/MA physics a UN - Transformers
1. Transformer yabwino kwambiri imakhala ndi coil yake yoyamba yolumikizidwa ku gwero la magetsi ndipo coil yake yachiwiri yolumikizidwa ku nyali monga momwe zasonyezedwera pachithunzi chotsatirachi. Ndi chiganizo chiti chomwe chili cholondola?
A. Kuwala kudzachepa ngati kuzunguliza koyamba kwachepa.
B. Nyaliyo idzakhala yowala kwambiri ngati chozungulira chachiwiri chawonjezeredwa.
C. Nyaliyo idzachepa ngati magetsi oyamba awonjezeka.
D. Nyaliyo idzakhala yowala kwambiri ngati kuzunguliza koyamba kwachepetsedwa.
E. Kuwala kapena kuchepa kwa kuwala kudzakhala komweko ngakhale coil itasinthidwa.
Zokambirana
Kusintha kuchuluka kwa ma coil turns kumadalira mtundu wa transformer. Ngati kuchuluka kwa ma coil mu primary coil kwachepa, zomwe zimapangitsa kuti ma coil achuluke mu secondary coil, transformer imakhala step-up transformer, yomwe imawonjezera voltage. Mofananamo, ngati chiwerengero cha ma turn mu coil yoyamba chawonjezeka kotero kuti chiwerengero cha ma turn mu coil yachiwiri chichepa, transformer iyi imakhala transformer yotsika yomwe imagwira ntchito yochepetsa magetsi.
Ndikofunikira kukumbukira kuti pamene magetsi akuwonjezeka, mphamvu yamagetsi imachepa, kotero mphamvu imakhalabe yokhazikika (P = VI). Mphamvu ndi kusintha kwa mphamvu yamagetsi pakapita nthawi inayake. Pamene mphamvu yolowera ikufanana ndi mphamvu yotulutsa, kuchuluka kwa mphamvu zomwe zimagwiritsidwa ntchito kumakhala kofanana.
Kuwala kapena kuchepa kwa kuwala kumadalira kuchuluka kwa mphamvu zamagetsi zomwe zasinthidwa kukhala kuwala. Ngati mphamvu zamagetsi zambiri zasinthidwa kukhala kuwala, kuwalako kudzakhala kowala; mosiyana, ngati mphamvu zochepa zokha zasinthidwa kukhala kuwala, kuwalako kudzakhala kochepera. Chifukwa mphamvu zamagetsi zasungidwa, kuwala kapena kuchepa kwa kuwalako kudzakhalabe komweko.
Yankho lolondola ndi E.
21. Chithunzi chili pansipa chikuwonetsa transformer yoyenera. Choyimbira chachikulu chimalumikizidwa ku gwero la magetsi ndipo choyimbira chachiwiri chimalumikizidwa ku nyali (L). Nyaliyo kenako...
A. Kuwala kwabwinobwino pamene kuzunguliza koyamba kusinthidwa
B. Zimachepa mphamvu yamagetsi ikakwera
C. Zimakhala zowala kwambiri ngati chozungulira chachiwiri chawonjezeredwa.
D. Dimmer ngati kuzunguliza kwachiwiri kwawonjezeredwa
E. Zimakhala zowala ngati kuzunguliza koyamba kwachepetsedwa.
Zokambirana
Mphamvu yolowera = P = VI = (200 Volts)(2 Ampere) = 400 Watts = Mphamvu yotulutsira
Ma transformer amangochepetsa mphamvu ya magetsi koma osati mphamvu. Mphamvu yolowera imafanana ndi mphamvu yotulutsa, kotero mphamvu yamagetsi yomwe imagwiritsidwa ntchito pa nthawi inayake nayonso ndi yofanana. Chifukwa chake, kuwala kwa kuwala kumakhalabe kwabwinobwino, kapena kosasintha.
Yankho lolondola ndi A.
Ndizo zonse zomwe tikukambirana pa mafunso a chitsanzo okhudza ma transformer.
22. Wophunzira akufuna mphamvu ya AC ya 18 W. Amalumikiza transformer yokhala ndi mphamvu ya 75% komanso ma turn angapo a 100 ndi 200 ku batire ya 12 V. Zapezeka kuti sakupeza mphamvu yomwe akufuna. Apeza kuti mphamvu ya AC ndi...
A. 36 W chifukwa imalumikiza ma turn 100 ku batri.
B. 24 W chifukwa imalumikiza ma turns 200 ku batri
C. 12 W chifukwa imalumikiza ma turns 200 ku batri
D. 0 W chifukwa imalumikiza ma coil 200 ku batri.
E. 18 W chifukwa imalumikiza ma turns 200 ku batri
Zokambirana
Transformer ndi chipangizo chowonjezera kapena kuchepetsa mphamvu ya AC. Mabatire ndi gwero la mphamvu ya DC.
Yankho lolondola ndi D.
23. Samalani tebulo lotsatira la transformer!
Mawu olondola okhudza ma transformer P ndi Q ndi awa…
A. P ndi transformer yotsika pansi chifukwa Is < Ip
B. P ndi transformer yokwera chifukwa Vp < Vs
C. Q ndi transformer yokwera chifukwa Vp > Vs
D. Q ndi transformer yokwera chifukwa Is > Ip
Zokambirana
P ndi transformer yokwera chifukwa voteji yoyamba (Vp = 110 V) <voteji yachiwiri (Vs = 200 V).
Q ndi step down transformer chifukwa voltage yoyamba (Vp = 220 V) > voltage yachiwiri (Vs = 110 V).
Yankho lolondola ndi B.
Gwero la funso:
Mafunso a Mayeso a Sayansi ya Sukulu ya Sekondale/Chisilamu cha Sukulu ya Sekondale
Mafunso a National Examination Physics a Senior High School/Vocational High School
Mafunso a SBMPTN a Fizikiki
