Misalan Tambayoyi Game da Transformer

Misalai 23 na tambayoyin transformer

1. Na'urar transformer tana da na'urori na farko da na biyu masu juyawa 500 da 5000 bi da bi, an haɗa ta da hanyar sadarwa ta wutar lantarki mai sauyawa ta 220 V. Menene ƙarfin fitarwa?

A. 220 volt

B. volts 1.100

C. volts 2.200

D. volts 22.000

Tattaunawa

An san cewa:

Babban na'ura ( NP ) = juyawa ₅₀₀

Na'urar juyawa ta biyu (Ns ₎ = juyawa 5000

Babban ƙarfin lantarki (V _P ) = Volts 220

Tambaya: Ƙarfin wutar lantarki na biyu (V _S )

Amsa:

Tsarin na'urar canza wutar lantarki:

Vs _/ Ns = _{Vp /} N _p

Vs _/ 5000 = 220 / 500

Vs / 5000 = 0,44_​

Vs = (0,44)(5000 ₎

Vs = _Volts 2.200

Amsar da ta dace ita ce C.

2. Aikin na'urar canza wutar lantarki (transformer) shine...

A. canza ƙarfin lantarki da ƙarfi

B. canza wutar lantarki mai canzawa

C. Mai daidaita ƙarfin lantarki kai tsaye

D. sanya wutar lantarki kai tsaye zuwa wutar lantarki mai canzawa

Tattaunawa

Transfoma suna aiki ne don canza ƙarfin wutar lantarki na alternating current (AC). Akwai nau'ikan transfoma guda biyu: transfoma masu hawa-hawa da transfoma masu hawa-hawa. Transfoma masu hawa-hawa suna ƙara ƙarfin lantarki, yayin da transfoma masu hawa-hawa suna rage ƙarfin lantarki.

Amsar da ta dace ita ce B.

3. A cikin na'urar transformer akwai na'urar primary coil wacce ke da juyawa 1200 da kuma na'urar secondary coil wacce ke da juyawa 1000. Idan na'urar primary current ɗin 4 A ne, to ƙarfin na'urar secondary current ɗin shine...

A. 2 Ampere

B. 3 Ampere

C. 4 Amperes

D. 4,8 Amperes

Tattaunawa

An san cewa:

Babban na'ura (N _P ) = juyawa 1200

Na'urar juyawa ta biyu (N _S ) = juyawa 1000

Babban ƙarfin lantarki ( _IP ) = Amperes 4

Tambaya: Ƙarfin wutar lantarki na biyu (I _S )

Amsa:

Tsarin transformer wanda ke nuna alaƙar da ke tsakanin adadin juyawar coil (N) da wutar lantarki (I) shine:

I _S / I _P = N _P / N _S

Ƙarfin wutar lantarki na biyu shine:

I _S /4 = 1200 / 1000

I _S /4 = 1,2

S = 1,2 ( ₄ )

I _S = 4,8 Amperes

Amsar da ta dace ita ce D.

4. Lokacin tsara na'urar canza wutar lantarki, don samar da wutar lantarki ta biyu ta volts 220 daga babban ƙarfin lantarki na volts 110, rabon adadin juyawa na biyu zuwa babban juyawa shine...

A. 2: 3

B. 3: 2

C. 6: l2

D. 12: 6

Tattaunawa

An san cewa:

Ƙarfin wutar lantarki na biyu (V _S ) = Volts 220

Babban ƙarfin lantarki (V _P ) = Volts 110

Tambaya : Kwatanta adadin juyawa na biyu zuwa juyawa na farko (N _S / N _P )

Amsa:

Tsarin transformer wanda ke nuna alaƙar da ke tsakanin ƙarfin lantarki da adadin juyawar coil shine:

V _S / V _P = N _S / A'a _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

Amsar da ta dace ita ce D.

5. Kalli hoton na'urar canza wutar lantarki a ƙasa!

Babban ƙarfin wutar lantarki na na'urar transformer shine…

A. Volt 24

B. 240 Volt

C. 264 Volt

D. 340 Volt

Tattaunawa

An san cewa:

Ƙarfin wutar lantarki na biyu (V _S ) = Volts 24

Babban naɗewa (NP _ko N ₁ ) = 11 N

Naɗewa ta biyu (N _S ko N ₂ ) = 1 N = N

Tambaya: Babban ƙarfin lantarki (V _P )

Amsa:

Tsarin na'urar canza wutar lantarki:

Vs _/ Ns = _{Vp /} N _p

Ana ƙididdige ƙarfin lantarki na farko ta amfani da dabarar da ke sama:

Vs _/ Ns = _{Vp /} 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

Amsar da ta dace ita ce C.

6. Kalli hoton da ke ƙasa! Girman ƙarfin wutar lantarki na transformer shine...

A. Volt 140

B. 180 Volt

C. 630 Volt

D. 720 Volt

Tattaunawa

An san cewa:

Naɗaɗɗen farko (N1 ₎ = 21 N

Naɗewa ta biyu (N2 ₎ = N3

Ƙarfin lantarki na biyu (V ₂ ) = Volts 20

Tambaya: Babban ƙarfin lantarki (V ₁ )

Amsa:

Tsarin na'urar canza wutar lantarki:

V ₂ / N ₂ = V ₁ / N ₁

Ana ƙididdige ƙarfin lantarki na farko ta amfani da dabarar da ke sama:

20 / 3N = V ₁ / 21N

20 / 1 = V ₁ / 7

20 = V _1/7

V ₁ = (7)(20)

V ₁ = Volt 140

Amsar da ta dace ita ce A.

7. Ga wasu halaye na na'urar transformer mai hawa sama...

A. Babban ƙarfin lantarki ya fi ƙarfin lantarki na biyu girma

B. Adadin na'urorin farko bai kai adadin na'urorin biyu ba.

C. Wutar lantarki a cikin babban na'urar ta fi ƙanƙanta fiye da wutar da ke cikin na'urar ta biyu.

D. Ƙarfin na'urar ta biyu ya fi ƙarfin na'urar ta farko girma.

Tattaunawa

Transfoma na'ura ce da ke canza wutar lantarki mai canzawa. Transfoma na zuwa ne a nau'i biyu: transfoma masu hawa-hawa da kuma transfoma masu sauka-hawa.

Na'urar canza wutar lantarki (step up transformer) tana aiki don ƙara ƙarfin lantarki ta yadda ƙarfin lantarki na biyu ya fi ƙarfin lantarki na farko girma, akasin haka, na'urar canza wutar lantarki (step down voltage) tana aiki don rage ƙarfin lantarki ta yadda ƙarfin lantarki na biyu ya fi ƙarfin lantarki na farko ƙanƙanta.

A cikin na'urar canza wutar lantarki mai mataki-sama, adadin juyawar na'urar jujjuyawar lantarki mai mataki-sama ya fi adadin juyawar na'urar jujjuyawar lantarki mai mataki-sama, akasin haka a cikin na'urar sauya wutar lantarki mai mataki-sama, adadin juyawar na'urar jujjuyawar lantarki mai mataki-sama ya fi adadin juyawar na'urar jujjuyawar lantarki mai mataki-sama.

Amsar da ta dace ita ce B.

8. Halayen na'urar transformer mai hawa sama sune...

A. ƙarfin lantarki na farko ya fi ƙarfin lantarki na biyu girma

B. akwai ƙarin naɗaɗɗen farko fiye da naɗaɗɗen sakandare

C. ƙarfin lantarki na farko ya fi ƙanƙanta fiye da ƙarfin lantarki na biyu

D. Naɗaɗɗen farko iri ɗaya ne da naɗaɗɗen na biyu

Tattaunawa

Transfoma na'ura ce da ake amfani da ita wajen canza wutar lantarki ta alternating current (AC). Akwai nau'ikan transfoma guda biyu: transfoma masu hawa-hawa da kuma transfoma masu hawa-hawa. Transfoma masu hawa-hawa suna ƙara ƙarfin lantarki, yayin da transfoma masu hawa-hawa suna rage ƙarfin lantarki.

Sifofin na'urar transformer mai hawa sama sune:

- Babban ƙarfin lantarki ya fi ƙanƙanta, ƙarfin lantarki na biyu ya fi girma

- ƙarancin juyi na farko, ƙarin juyi na biyu

Sifofin na'urar transformer mai saukowa ƙasa sune:

- Babban ƙarfin lantarki ya fi girma, ƙarfin lantarki na biyu ya fi ƙanƙanta

- ƙarin juyawa na farko, ƙarancin juyawa na sakandare

Amsar da ta dace ita ce C.

9. Kalli zane mai zuwa na transfoma!

Adadin juyawa na biyu na na'urar transformer shine….

A. Juyawa 550

B. Juyawa 1.000

C. Juyawa 2.000

D. Juyawa 10.000

Tattaunawa

An san cewa:

Babban ƙarfin lantarki (V _P ) = Volts 220

Naɗaɗɗen farko (N _P ) = juyawa 200

Ƙarfin wutar lantarki na biyu (V _S ) = Volts 1100

Tambaya: Naɗewa ta biyu (N _S )

Amsa:

Tsarin na'urar canza wutar lantarki:

Vs _/ Ns = _{Vp /} N _p

Ana ƙididdige adadin juyawa na biyu ta amfani da dabarar da ke sama:

Vs _/ Ns = _{Vp /} N _p

Volts 1100 / N _s = Volts 220 / Juyawa 200

1100 / N _s = 220/200

1100 / N _s = 1,1

Ns = 1100 / _1,1

Ns ₌ juyawa 1000

Amsar da ta dace ita ce B.

10. Kalli zane mai zuwa na transfoma!

Adadin juyawa na biyu na na'urar transformer shine…..

A. Juyawa 550

B. Juyawa 1.000

C. Juyawa 2.000

D. Juyawa 10.000

Tattaunawa

An san cewa:

Babban ƙarfin lantarki (V _P ) = Volts 220

Naɗaɗɗen farko (N _P ) = juyawa 200

Ƙarfin wutar lantarki na biyu (V _S ) = Volts 1100

Tambaya: Naɗewa ta biyu (N _S )

Amsa:

Tsarin transformer wanda ke nuna alaƙar da ke tsakanin ƙarfin lantarki da adadin juyawa shine:

Vs _/ Ns = _{Vp /} N _p

Ana ƙididdige naɗaɗɗen na biyu ta amfani da dabarar da ke sama:

Vs _/ Ns = _{Vp /} N _p

1100 / N _S = 220/200

1100 / N _S = 22/20

1100 / N _S = 1,1

NS = 1100 / _1,1

N _S = 1000

Adadin juyawa na biyu shine juyawa 1000.

Amsar da ta dace ita ce B.

11. Kula da bayanai game da na'urar canza wutar lantarki mai zuwa!

Dangane da bayanan da ke sama, ana iya yanke hukuncin cewa…

Tattaunawa

Na'urar canza wutar lantarki (transformer) na'ura ce da ke aiki don ƙara ko rage ƙarfin wutar lantarki na AC (alternating current). Na'urar canza wutar lantarki da ke aiki don ƙara ƙarfin lantarki ana kiranta da na'urar canza wutar lantarki (transformer). mataki-mataki kuma na'urar transfoma da ke aiki don rage ƙarfin lantarki ana kiranta na'urar transfoma sauka.
Na'urar transformer tana da na'urori guda biyu na waya, wato na'urar farko (N) da na'urar sakandare (N)._P) da kuma na'urar sakandare (N)_S) A kan na'urar canza wutar lantarki (transfoma) mataki-mataki, N_S ya fi N girma_PA kan na'urar canza wutar lantarki sauka, N_S ƙarami fiye da N_PNa'urar Canza Wutar Lantarki mataki-mataki yana ƙara ƙarfin lantarki, saboda haka ƙarfin lantarki a cikin babban na'ura ya ƙanƙanta kuma ƙarfin lantarki a cikin na'ura ta biyu ya fi girma. Akasin haka, na'urar canza wutar lantarki sauka rage ƙarfin lantarki ta yadda ƙarfin lantarki da ke kan babban na'urar zai fi girma kuma ƙarfin lantarki da ke kan na'urar ta biyu ya fi ƙanƙanta.
Transformer A shine transformer sauka kuma transfoma B shine transfoma mataki-mataki.
Amsar da ta dace ita ce C.

12. Kalli hoton transfoma mai zuwa!

Daga bayanan da ke cikin hoton da ke sama, bayanin da ya dace game da hoto na 1 da hoto na 2 bi da bi shine…

A. Hoto na 1 na'urar canza wutar lantarki ce mai mataki-mataki, kuma Hoto na 2 na'urar canza wutar lantarki ce mai mataki-mataki.
B. Hoto na 1 na'urar canza wutar lantarki ce mai saukowa mataki-mataki kuma Hoto na 2 na'urar canza wutar lantarki ce mai hawa-hawa
C. Hotuna na 1 da 2 na'urorin canza wutar lantarki ne masu saukar da ƙasa
D. Sifofi na 1 da 2 na'urorin canza wutar lantarki ne masu hawa sama.

Tattaunawa
A kan na'urar canza wutar lantarki (transfissor) mataki-mataki (ƙarfafa ƙarfin lantarki), ƙarfin lantarki na farko ya ƙanƙanta kuma ƙarfin lantarki na biyu ya fi girma. A cikin na'urar transformer sauka (mai rage ƙarfin lantarki), ƙarfin lantarki na farko ya fi girma kuma ƙarfin lantarki na biyu ya fi ƙanƙanta.
Na'urar canza wutar lantarki da ke cikin Hoto na 1 tana da ƙarfin lantarki na farko fiye da na biyu (20 V > 5 V) kuma saboda haka na'urar canza wutar lantarki ce. saukaNa'urar canza wutar lantarki da ke cikin hoto na 2 tana da ƙarfin lantarki na farko wanda ya fi ƙanƙanta fiye da ƙarfin lantarki na biyu (5 V < 40 V) kuma saboda haka na'urar canza wutar lantarki ce. mataki-mataki.
Amsar da ta dace ita ce B.

13. Kalli hoton na'urar canza wutar lantarki mai zuwa!

Daga misalin da ke sama, bayanin da ya dace shine…
A. Transfoma I = transfoma mai sauka ƙasa, saboda N_s > N_p
B. Na'urar Transfoma I = na'urar transfoma mai ƙarfi, saboda V_s <V_p
C. Transfoma II = transfoma mai sauka ƙasa, saboda V_p <V_s
D. Transfoma II = na'urar transfoma mai hawa sama, saboda N_p < N_s
Tattaunawa
Transfoma I na'urar transfoma ce sauka saboda V_p > V_s da Np > Ns.
Transfoma II shine na'urar transfoma mataki-mataki saboda V_p <V_s da kuma N_p < N_s.
Amsar da ta dace ita ce D.

14. Kula da zane mai zuwa na transfoma!
Idan adadin juyawar na'ura shine N₁ = Juyawa 100 da N₂ = Juyawa 250, ƙarfin lantarki V₂ shine….

A. Volt 100
B. 150 Volt
C. 200 Volt
D. 250 Volt

Tattaunawa

An san cewa:
Babban ƙarfin lantarki = V_p = V₁ = Volts 40
Babban na'ura = N_p = N₁ = Juyawa 100
Na'urar sakandare = N_s = N₂ = Juyawa 250
Tambaya: Ƙarfin lantarki na biyu = V_s = V₂
Amsa:

Tsarin na'urar canza wutar lantarki:
V_s / N_s = V_p / N_p
Ƙarfin lantarki na biyu:
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 = Volts 100
Amsar da ta dace ita ce A.

15.

Ga yadda za a yi da tsarin na'urar transformer mai kyau tare da bayananta. Idan wutar da ke gudana ta cikin resistor R ita ce 4 amperes, wutar lantarki da ke gudana ta cikin babban coil ita ce….

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

Tattaunawa
An san cewa:
Babban na'ura = N_p = N₁ = Juyawa 600
Wutar lantarki ta biyu = I_s = Ni₂ = Amperes 4
Na'urar sakandare = N_s = N₂ = Juyawa 120
Tambaya: Babban wutar lantarki = I_p = Ni₁
Amsa:
Tsarin na'urar canza wutar lantarki:
I_P N_p = Ni_s N_s
Babban ƙarfin halin yanzu:
I_P N_p = Ni_s N_s
I_P (600) = (4)(120)
I_P (600) = 480
I_P (60) = 48
I_P = 48/60
I_p = Amperes 0,8
Amsar da ta dace ita ce A.

16.
Kalli hoton da ke ƙasa!
A cikin zane mai zuwa na transformer, babban wutar lantarki shine….
A. 0,1 A
B. 0,2 A
C. 0,8 A
D. 1,6 A
Tattaunawa
An san cewa:
Babban ƙarfin lantarki = V_p = V₁ = Volts 100
Ƙarfin lantarki na biyu = V_s = V₂ = Volts 50
Wutar lantarki ta biyu = I_s = Ni₂ = Amperes 0,4
Tambaya: Babban wutar lantarki = I_p = Ni₁
Amsa:
Tsarin na'urar canza wutar lantarki:
V_P I_p = V_s I_s
Babban ƙarfin halin yanzu:
V_P I_p = V_s I_s
(100) I_p = (50)(0,4)
(100) I_p = 20
I_p = 20/100
I_p = Amperes 0,2
Amsar da ta dace ita ce B.

17. Duba teburin auna ƙarfin lantarki da na yanzu don na'urar transformer mai kyau a ƙasa!
Dangane da teburin da ke sama, ƙimar R da P sune…

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

Tattaunawa

Tsarin na'urar canza wutar lantarki
V_s N_p = N_s V_p  kuma V_p I_p = V_s I_s
Bayani:
V_s = ƙarfin lantarki na biyu, V_p = ƙarfin lantarki na farko, N_s = naɗewa ta biyu, N_p = naɗaɗɗen farko_, I_p = ƙarfin wutar lantarki na farko, I_s = ƙarfin wutar lantarki na biyu
Babban ƙarfin lantarki (V)_p)
V_p I_p = V_s I_s
V_p (4) = (10)(80)
V_p = 800/4
V_p = R = Volt 200
Naɗewa ta biyu (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 = juyawa 30
Amsar da ta dace ita ce B.

18. Teburin da ke ƙasa yana nuna bayanai game da na'urori masu canza wutar lantarki guda biyu masu kyau.
Dangane da bayanai da ke cikin teburin da ke sama, ƙimar K da L suna bi da bi…

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

Tattaunawa
Yi amfani da ɗaya daga cikin dabarun transformer don tantance ƙarfin transformer na biyu na transformer 1 da ƙarfin transformer na biyu na transformer 2. Idan ana lissafin ƙarfin transformer na biyu na transformer 1, yi amfani da bayanai don transformer 1, haka nan idan ana lissafin ƙarfin transformer na biyu na transformer 2, yi amfani da bayanai don transformer 2.
Ƙarfin wutar lantarki na biyu (I)_s) na'urar canza wutar lantarki ta 1
V_p I_p = V_s I_s
(200)(3) = (300)(I)_s)
I_s = 600/300
I_s = K = 2 Amperes
Ƙarfin wutar lantarki na biyu (V)_s) na'urar canza wutar lantarki ta 2
V_p I_p = V_s I_s
(40)(0,75) = V_s (1)
V_s = L = Volt 30
Amsar da ta dace ita ce B.

19. Kula da bayanai kan ma'auni na adadi da dama a cikin na'urar canza wutar lantarki mai zuwa!
Dangane da bayanai da ke cikin teburin da ke sama, ƙimar P da Q bi da bi…
A. P = Volts 100 da Q = Amperes 4
B. P = Volts 100 da Q = Amperes 6
C. P = Volts 110 da Q = Amperes 4
D. P = Volts 110 da Q = Amperes 2
E. P = Volts 220 da Q = Amperes 2
Tattaunawa
Babban ƙarfin lantarki (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 = Volt 110
Ƙarfin wutar lantarki na farko (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 = Amperes 4
Amsar da ta dace ita ce C.

20. Tattaunawa kan tambayoyin kimiyyar SMA/MA na Majalisar Dinkin Duniya – Masu canza wutar lantarki

1. Na'urar transformer mai kyau tana da babban na'urarta da aka haɗa da tushen wutar lantarki da kuma na'urar ta biyu da aka haɗa da fitila kamar yadda aka nuna a cikin hoton da ke ƙasa. Wace magana ce daidai?

A. Hasken zai yi duhu idan aka rage naɗewar farko.

B. Fitilar za ta yi haske idan aka ƙara naɗewar ta biyu.

C. Fitilar za ta yi duhu idan aka ƙara ƙarfin lantarki na farko.

D. Fitilar za ta yi haske idan aka rage naɗewar farko.

E. Haske ko duhun hasken zai kasance iri ɗaya ko da an canza na'urar.

Tattaunawa

Canza adadin juyawar na'ura ya dogara ne kawai da nau'in na'urar transformer. Idan aka rage yawan juyawar na'ura mai girma, wanda ke haifar da ƙarin juyawar na'ura mai girma, na'urar transformer ta zama na'urar transformer mai mataki-mataki, wanda ke ƙara ƙarfin lantarki. Haka nan, idan aka ƙara yawan juyawar na'ura mai girma, wanda ke haifar da ƙarancin juyawar na'ura mai girma, na'urar transformer ta zama na'urar transformer mai mataki-mataki, wanda ke rage ƙarfin lantarki.

Yana da mahimmanci a tuna cewa yayin da ƙarfin lantarki ke ƙaruwa, wutar lantarki ke raguwa, don haka wutar lantarki tana nan daram (P = VI). Wutar lantarki ita ce canjin makamashin lantarki a cikin wani takamaiman lokaci. Idan ƙarfin shigarwa ya yi daidai da ƙarfin fitarwa, adadin kuzarin da aka yi amfani da shi ma iri ɗaya ne.

Haske ko duhun haske ya dogara ne da adadin kuzarin lantarki da aka mayar zuwa haske. Idan aka mayar da yawan kuzarin lantarki zuwa haske, hasken zai yi haske; akasin haka, idan aka mayar da ƙaramin adadin zuwa haske, hasken zai yi duhu. Saboda an kiyaye makamashin lantarki, haske ko duhun hasken zai kasance iri ɗaya. 

Amsar da ta dace ita ce E.

21. Hoton da ke ƙasa yana nuna na'urar canza wutar lantarki mai kyau. Na'urar farko tana da alaƙa da tushen wutar lantarki kuma na'urar ta biyu tana da alaƙa da fitila (L). Sannan yanayin fitilar zai kasance….

A. Haske na yau da kullun lokacin da aka canza naɗaɗɗen farko

B. Yana rage gudu idan aka ƙara ƙarfin lantarki na farko

C. Ya fi haske idan aka ƙara naɗaɗɗen na biyu.

D. Rage haske idan an ƙara naɗaɗɗen na biyu

E. Ya fi haske idan an rage naɗewar farko.

Tattaunawa

Ƙarfin shigarwa = P = VI = (Volts 200)(Ampere 2) = Watts 400 = Ƙarfin fitarwa

Na'urorin canza wutar lantarki suna rage ƙarfin lantarki ne kawai amma ba wutar lantarki ba. Ƙarfin shigarwa yana daidai da ƙarfin fitarwa, don haka kuzarin wutar lantarki da aka yi amfani da shi a cikin wani lokaci da aka ƙayyade shi ma iri ɗaya ne. Saboda haka, hasken hasken yana ci gaba da kasancewa daidai, ko kuma ba ya canzawa.

Amsar da ta dace ita ce A. 

Wannan shine duk tattaunawar da aka yi kan misalan tambayoyin game da na'urorin transformers.

22. Ɗalibi yana son wutar AC mai ƙarfin W 18. Ya haɗa na'urar transfoma mai ƙarfin aiki na 75% da kuma juyi mai yawa na 100 da 200 zuwa batirin V 12. Sai ya zama bai sami wutar da ake so ba. Ya gano cewa wutar AC ɗin...

A. 36 W saboda yana haɗa juyawa 100 zuwa batirin.

B. 24 W saboda yana haɗa juyawa 200 zuwa batirin

C. 12 W saboda yana haɗa juyawa 200 zuwa batirin

D. 0 W saboda yana haɗa na'urori 200 zuwa batirin.

E. 18 W saboda yana haɗa juyawa 200 zuwa batirin

Tattaunawa

Na'urar canza wutar lantarki (transformer) na'ura ce da ke ƙara ko rage ƙarfin wutar lantarki na AC. Batirin tushen ƙarfin wutar lantarki na DC ne.

Amsar da ta dace ita ce D.

23. Duba teburin transfoma mai zuwa!

Bayanin da ya dace game da transformers P da Q shine…

A. P na'urar canza wutar lantarki ce mai saukowa daga mataki saboda shine < Ip

B. P na'urar canza wutar lantarki ce mai tasowa saboda Vp < Vs

C. Q na'urar canza wutar lantarki ce mai tasowa saboda Vp > Vs

D. Q na'urar canza wutar lantarki ce mai tasowa saboda Is > Ip

Tattaunawa

P na'urar canza wutar lantarki ce mai tasowa saboda ƙarfin lantarki na farko (Vp = 110 V) < ƙarfin lantarki na biyu (Vs = 200 V).

Q na'urar canza wutar lantarki ce ta mataki-mataki saboda ƙarfin lantarki na farko (Vp = 220 V) > ƙarfin lantarki na biyu (Vs = 110 V).

Amsar da ta dace ita ce B.

Tushen tambaya:

Tambayoyin Jarrabawar Ƙasa ta Kimiyya ta Makarantar Sakandare/Makarantar Sakandare ta Musulunci

Tambayoyin Nazarin Fizik na Ƙasa ga Makarantar Sakandare ta Babbar Sakandare/Makarantar Sakandare ta Sana'a

Tambayoyin Kimiyyar Kimiyyar SBMPTN