15 mau laʻana o nā pilikia kaapuni uila
1. E nānā i ke kiʻi!
Inā ʻo R 1 , = 6 Ω, R 2 = R 3 = 2 Ω, a ʻo ka ʻokoʻa hiki ke loaʻa he 14 volts, a laila ʻo ka nui o ke au e kahe ana...
A. 7 A
B. 6 A
C. 2 A
D. 1 A
Pahana
Ua ʻike ʻia:
Kū'ē 1 (R 1 ) = 6 Ω
Kū'ē 2 (R 2 ) = 2 Ω
Kū'ē 3 (R 3 ) = 2 Ω
ʻOkoʻa hiki (V) = 14 Volts
Nīnau : Pehea ka ikaika o ke au e kahe ana?
Pane:
E helu i ke kū'ē pani (R):
Hoʻopili ʻia ʻo R 2 a me R 3 ma ke ʻano like. ʻO nā resistors pani:
1/R 23 = 1/R 2 + 1/R 3 = 1/2 + 1/2 = 2/2
R 23 = 2/2 = 1 Ω
Hoʻopili ʻia ʻo R 1 a me R 23 ma ke ʻano series. ʻO ke resistor pani:
R = R 1 + R 23 = 6 Ω + 1 Ω
R = 7 Ω
E helu i ka ikaika o kēia manawa (I):
ʻO I = V / R = 14 / 7 = 2 Amperes
ʻO C ka pane pololei.
2. Inā like ka waiwai o kēlā me kēia resistor a ua kau ʻia ma ka ʻokoʻa like o ka hiki, a laila ʻo ke kaapuni me ka waiwai o kēia manawa nui loa ...
Pahana
Manaʻo ʻia ʻo ka waiwai o kēlā me kēia resistor ʻo R a ʻo ka ʻokoʻa hiki ke hana ʻia ʻo V.
ʻO ka pane pololei ʻo B.
3. E nānā i ke kiʻi!
Ke hoʻopili ʻia ke kuapo S 2 , ua hōʻike ʻia ke kuhikuhi pololei o ke au uila e ke kiko...
A. A – B – E – F
B. B – C – D – F
C. A – C – D – F
D. F – E – B – A
Pahana
Neʻe ke au uila mai kahi kiko o ka mana kiʻekiʻe a i kahi kiko o ka mana haʻahaʻa. Inā pani ʻia ke kuapo s2 (aia ke kuapo s2 ma kahi kokoke i ke kiko A), a laila neʻe ke au uila mai A a i B a i E a i F. ʻAʻole neʻe ke au uila i C a me D no ka mea aia ʻo C a me D i loko o kahi kaapuni hāmama.
ʻO A ka pane pololei.
4. E nānā i ke kiʻi ma lalo nei!
Inā ʻo R 1 = 4 ohms, R 2 = 6 ohms, R 3 = 2 ohms, a ʻo V = 24 volts, a laila ʻo ka nui o ke au e kahe ana i loko o ke kaapuni he...
A. 0,5 ampere
B. 1 ampere
C. 2 amperes
D. 12 amperes
Pahana
Ua ʻike ʻia:
Palekana 1 (R 1 ) = 4 Ohm
Palekana 2 (R 2 ) = 6 Ohm
Palekana 3 (R 3 ) = 2 Ohm
Ka uila uila (V) = 24 Volts
Nīnau ʻia: Ka ikaika o ke au e kahe ana i loko o ke kaapuni
Pane:
Hoʻopili ʻia ʻo R 1 , R 2 a me R 3 ma ke ʻano he moʻo. ʻO nā resistors pani:
R = R1 + R2 + R3 = 4 + 6 + 2
R = 12 Ohm
ʻO ke au uila e kahe ana ma ke kaapuni:
ʻO I = V / R = 24 / 12 = 2 Amperes
ʻO C ka pane pololei.
5. E nānā i ke kiʻi! ʻO ke kukui nona ke au uila e like me ke au e hele ana ma ke kumu emf ʻo ia...
A. L1
B. L 2
C. L 3
D. L 4
Pahana
ʻŌlelo ke Kānāwai Mua o Kirchhoff e māhelehele ke au e hele ana ma kahi lālā. No ka laʻana, inā he 4 Amperes ke au e kahe ana mai ke kumu emf, ke komo ia i ʻelua lālā, e māhelehele ʻia kēia au uila i ʻelua, me kēlā me kēia uea e lawe ana i kahi au uila o 2 Amperes. Ua māhelehele ʻia ke au 2 Amperes i ʻelua inā komo ke au uila i kahi lālā nona ʻelua lālā. Eia nō naʻe, e like me ke kiʻi ma luna, e hui hou ana nā au uila i māhele ʻia.
No laila, ma muli o ke kiʻi ma luna, ʻo ke kukui nona ke au uila e like me ke au e hele ana ma ke kumu emf ʻo ia ke kukui ʻelua (L2 ) aia ma kahi kokoke i ke kihi ʻākau i luna.
ʻO ka pane pololei ʻo B.
6. Mai ke kiʻikuhi kaapuni ma lalo nei, ʻo wai ka mea e alakaʻi i ke au uila nui loa?
Pahana
ʻO ke au uila ma ke kaapuni A.
Pale kū'ē pani (R):
R 1 = 3 Ω, R 2 = 4 Ω, R 3 = 4 Ω, V = 12 Volts
Hoʻopili ʻia ʻo R 2 a me R 3 ma ke ʻano like. ʻO nā resistors pani:
1/R 23 = 1/R 2 + 1/R 3 = 1/4 + 1/4 = 2/4 = 1/2
R 23 = 2/1 = 2 Ω
Hoʻopili ʻia ʻo R 1 a me R 23 ma ke ʻano series. ʻO ke resistor pani:
R = R 1 + R 23 = 3 Ω + 2 Ω = 5 Ω
Ka ikaika o ke au uila (I):
ʻO I = V / R = 12 / 5 = 2,4 Amperes
ʻO ke au uila ma ke kaapuni B.
Pale kū'ē pani (R):
R 1 = 8 Ω, R 2 = 2 Ω, R 3 = 2 Ω, V = 36 Volts
Hoʻopili ʻia ʻo R 1 , R 2 a me R 3 ma ke ʻano he moʻo. ʻO nā resistors pani:
R = R1 + R2 + R3 = 8 + 2 + 2 = 12 Ω
Ka ikaika o ke au uila (I):
ʻO I = V / R = 36 / 12 = 3 Amperes
ʻO ke au uila ma ke kaapuni C.
Pale kū'ē pani (R):
R 1 = 4 Ω, R 2 = 4 Ω, R 3 = 6 Ω, V = 12 Volts
Hoʻopili ʻia ʻo R 2 a me R 3 ma ke ʻano like. ʻO nā resistors pani:
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
Ka ikaika o ke au uila (I):
ʻO I = V / R = 12 / 1,5 = 8 Amperes
ʻO ke au uila ma ke kaapuni D.
Pale kū'ē pani (R):
R1 = 3 Ω, R2 = 3 Ω, R3 = 3 Ω, R4 = 3 Ω, R5 = 6 Ω, V = 24 Volt
Hoʻopili ʻia ʻo R 2 , R 3 a me R 4 ma ke ʻano like. ʻO nā resistors pani:
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
Hoʻopili ʻia ʻo R 1 , R 234 a me R 5 ma ke ʻano he moʻo. ʻO nā resistors pani:
R = R 1 + R 234 + R 5 = 3 + 1 + 6 = 9 Ω
Ka ikaika o ke au uila (I):
ʻO I = V / R = 24 / 9 = 2,6 Amperes
ʻO C ka pane pololei.
7. E hoʻolohe i ka moʻo aʻe!
E hoʻoholo:
A. Ke kū'ē piha
B. Ka nui o ke au i loko o ke kaapuni
C. Manawa I 1
D. Manawa I 2
Pahana
Ua ʻike ʻia:
Palekana 1 (R 1 ) = 4 Ω
Kū'ē 2 (R 2 ) = 4 Ω
Kū'ē 3 (R 3 ) = 2 Ω
Kū'ē 4 (R 4 ) = 3 Ω
Ka uila uila (V) = 12 Volts
Pane:
A. Ke kū'ē holoʻokoʻa (R)
Hoʻopili ʻia nā resistors R2 a me R3 ma ke ʻano series. ʻO nā resistors pani:
R 23 = R 2 + R 3 = 4 Ω + 2 Ω = 6 Ω
Hoʻopili ʻia ke kūʻē R 23 a me ke kūʻē R 4 ma ke ʻano like. ʻO ke kūʻē pani:
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
Hoʻopili ʻia ke kūʻē R 1 a me ke kūʻē R 234 ma ke ʻano series. ʻO ke kūʻē pani:
R = R 1 + R 234 = 4 Ω + 2 Ω = 6 Ω
No laila, ʻo ke kū'ē holoʻokoʻa he 6 Ohms.
B. Ka nui o ke au uila i loko o ke kaapuni (I)
ʻO ke ʻano hana e hōʻike ana i ka pilina ma waena o ke au, ke au a me ke kū'ē:
V = IR
Wehewehe ʻana i ke ʻano hana: V = Uila uila, I = au uila, R = kū'ē uila
E hoʻohana i kēia haʻilula e helu ai i ka ikaika o ke au uila:
ʻO I = V / R = 12 Volts / 6 Ohms = 2 Amps
C. Manawa I1
ʻO ke au uila e hele ana ma o ke kū'ē R 1 = ke au uila e hele ana ma o ke kaapuni = 2 Amperes.
D. I kēia manawa2
Ma mua o ka helu ʻana i ke au uila e hele ana ma o ke resistor R2, e hoʻolohe mua i ka wehewehe ʻana ma lalo nei.
Hoʻopili ʻia nā resistors R 23 a me R 4 ma ke ʻano like. ʻO ke resistor pani e pili ana i ka helu ʻana ma mua ʻo R 234 = 2 Ohm.
ʻO ke au uila e hele ana ma o ke kū'ē R 234 = ke au uila e hele ana ma o ke kū'ē R 1 = 2 Amperes.
ʻO ka ʻokoʻa hiki ma waena o nā wēlau ʻelua o ke resistor R234 ʻo ia hoʻi:
V = IR 234 = (2 A)(2 Ohm ) = 4 Volts
ʻO ka ʻokoʻa hiki ma waena o nā wēlau ʻelua o ke kū'ē R 234 = ka ʻokoʻa hiki ma waena o nā wēlau ʻelua o ke kū'ē R 4 = ka ʻokoʻa hiki ma waena o nā wēlau ʻelua o ke kū'ē R 23 = 4 Volts.
ʻO ke kū'ē pani R 23 e pili ana i nā hopena helu mua he 6 Ohms.
No laila, ʻo ke au uila e hele ana ma o ke resistor pani R23 ʻo ia hoʻi:
ʻO I = V / R = 4 Volts / 6 Ohms = 2/3 Ampere
ʻO ke au uila e hele ana ma o ke kū'ē R 23 = ke au uila e hele ana ma o ke kū'ē R 2 = ke au uila e hele ana ma o ke kū'ē R 3 = 2/3 Ampere.
8. E nānā i ke kaapuni uila ma ka ʻaoʻao! Inā ʻo R 1 = R 2 = 10 Ω a ʻo R 3 = R 4 = 8 Ω. Ehia ka nui o ke au (I) e kahe ana?
A. 0,5 A
B. 2 A
C. 36 A
D. 288 A
Pahana
Ua ʻike ʻia:
Palekana R 1 = Palekana R 2 = 10 Ω
Palekana R 3 = Palekana R 4 = 8 Ω
Ka uila uila (V) = 12 Volts
Nīnau: Ka ikaika o ke au uila (I) e kahe ana
Pane:
Palekana pani (R).
Ua hoʻopili like ʻia ke kūʻē R 3 a me ke kūʻē R 4 , ʻo ke kūʻē pani:
1/R 34 = 1/R 3 + 1/R 4 = 1/8 + 1/8 = 2/8
R 34 = 8/2 = 4 Ω
Hoʻopili ʻia nā resistors R 1 , R 2 a me R 34 ma ke ʻano series, ʻo nā resistors pani:
R = R 1 + R 2 + R 34 = 10 Ω + 10 Ω + 4 Ω = 24 Ω
Ikaika o ke au uila:
ʻO I = V / R = 12 Volts / 24 Ohms = 0,5 Volts/Ohms = 0,5 Amps
ʻO A ka pane pololei.
9. E nānā i ke kiʻi o ke kaapuni uila pani ʻia ma ka ʻaoʻao! Inā hoʻowahāwahā ʻia ke kū'ē ʻana i loko o ka pila, a laila ʻo ke au (I) e kahe ana i loko o ke kaapuni he…..
A. 0,5 Amperes 
B. 1 Amperes
C. 2 Amperes
D. 3 Amperes
Pahana
Ua ʻike ʻia:
Palekana R 1 = 3 Ohm
Palekana R 2 = 3 Ohm
Palekana R 3 = 6 Ohm
Ka uila uila (V) = 6 Volts
Nīnau: Ka ikaika o ke au uila (I)
Pane:
E helu i ke kū'ē pani:
Hoʻopili ʻia nā resistors R 1 a me R 2 ma ke ʻano series. ʻO nā resistors pani:
R 12 = R 1 + R 2 = 3 Ohms + 3 Ohms = 6 Ohms
Hoʻopili ʻia ke kūʻē R12 a me ke kūʻē 3 ma ke ʻano like. ʻO ke kūʻē pani:
1/R = 1/R 12 + 1/R 3 = 1/6 + 1/6 = 2/6
R = 6/2 = 3 Ohms
Ikaika o ke au uila:
ʻO I = V / R = 6 / 3 = 2 Amperes
ʻO C ka pane pololei.
10. E nānā i ke kiʻikuhi kaapuni pani ma lalo! ʻO ka huina o ke au uila i loko o ke kaapuni he…..
A. 0,5 A
B. 0,6 A
C. 1,2 A
D. 2,0 A
Pahana
Ua ʻike ʻia:
Palekana R 1 = 6 Ohm
Palekana R 2 = 4 Ohm
Ka uila uila (V) = 6 Volts
Ke kū'ē kūloko (r) = 0,6 Ohm
Nīnau: Ka huina o ke au uila i loko o ke kaapuni
Pane:
Pale R1 a me ke kū'ē R2 i hoʻopili ʻia ma ke ʻano like. ʻO ke kū'ē pani:
1/R P = 1/R1 + 1/R2 = 1/6 + 1/4 = 4/24 + 6/24 = 10/24
R P = 24/10 = 2,4 Ohm
Pale RP a ua hoʻopili ʻia ke kū'ē kūloko (r) ma ke ʻano he moʻo. ʻO ke kū'ē like:
R = R P + r = 2,4 Ohm + 0,6 Ohm = 3,0 Ohm
ʻO ke au uila holoʻokoʻa i loko o ke kaapuni:
ʻO I = V / R = 6 Volts / 3 Ohms = 2 Amps
ʻO D ka pane pololei.
11.
E nānā i ke kaapuni uila ma ka ʻaoʻao! ʻO ka nui o ke anakahi uila V…
A. 9,6 Volt
B. 6,4 Volt
C. 4,5 Volt
D. 3,2 Volt
Pahana
Ua ʻike ʻia:
Palekana 1 (R1) = 16 Ohms
Palekana 2 (R2) = 8 Ohms
Palekana 3 (R3) = 6 Ohms
Au uila (I) = 2 Amperes
Nīnau: Uila uila (V)
Pane:
Palekana pani
R1 a me R2 i hoʻopili ʻia ma ke ʻano moʻo. ʻO ke kū'ē pani:
RA =R1 + R2 = 16 + 8 = 24 Ohms
RA a me R3 i hoʻopili ʻia ma ke ʻano like. ʻO ke kū'ē pani:
1/R = 1/RA +1/R3 = 1/24 + 1/6
1/R = 1/24 + 4/24 = 5/24
R = 24/5 = 4,8 Ohms
Uila uila :
V = IR = (2)(4,8) = 9,6 Volts
ʻO A ka pane pololei.
12. E nānā i ke kiʻikuhi kaapuni uila ma ka ʻaoʻao! Inā hoʻowahāwahā ʻia ke kū'ē ʻana i loko o ke kumu voltage, a laila hōʻike ka voltmeter V i kahi voltage i ana ʻia o...
A. 4 V
B. 6 V
C. 9 V
D. 10 V
Pahana
Ua ʻike ʻia:
Palekana 1 (R1) = 3,6 Ohms
Palekana 2 (R2) = 6 Ohms
Palekana 3 (R3) = 4 Ohms
Au uila (I) = 1,5 Amperes
Nīnau: Uila uila (V)
Pane:
Palekana pani
R2 a me R3 i hoʻopili ʻia ma ke ʻano like. ʻO ke kū'ē pani:
1 / RA = 1/R2 +1/R3 = 1/6 + 1/4
1 / RA = 2/12 + 3/12 = 5/12
RA = 12/5 = 2,4 Ohms
R1 a me RA i hoʻopili ʻia ma ke ʻano moʻo. ʻO ke kū'ē pani:
R = R1 + RA = 3,6 + 2,4 = 6 Ohms
Uila uila :
V = IR = (1,5)(6) = 9 Volts
ʻO C ka pane pololei.
13.
E nānā i ke kiʻikuhi kaapuni uila pani ʻia ma lalo nei! Inā hoʻowahāwahā ʻia ke kū'ē ʻana i loko o ke kumu uila E, a laila hōʻike ka voltmeter V i kahi uila i ana ʻia o...
A. 2 V
B. 4 V
C. 6 V
D. 12 V
Pahana
Ua ʻike ʻia:
Palekana 1 (R1) = 3 Ohms
Palekana 2 (R2) = 2 Ohms
Palekana 3 (R3) = 4 Ohms
Au uila (I) = 2 Amperes
Nīnau: Uila uila (V)
Pane:
Palekana pani
R2 a me R3 i hoʻopili ʻia ma ke ʻano moʻo. ʻO ke kū'ē pani:
RA =R2 + R3 = 2 + 4 = 6 Ohms
R1 a me RA i hoʻopili ʻia ma ke ʻano like. ʻO ke kū'ē pani:
1/R = 1/R1 +1/RA = 1/3 + 1/6
1/R = 2/6 + 1/6 = 3/6
R = 6/3 = 2 Ohms
Uila uila :
V = IR = (2)(2) = 4 Volts
ʻO ka pane pololei ʻo B.
14. Ma ke kiʻikuhi kaapuni uila ma lalo nei, ʻo A, B, C, D a me E he mau kukui incandescent like.
Inā wehe ʻia ke kukui B, ʻo ke kukui e ʻālohilohi aʻe ana ʻo ia...
A. nā kukui A a me C
B. nā kukui A a me D
C. nā kukui C a me D
D. nā kukui C a me E
E. nā kukui D a me E
Pahana
ʻO ke ʻano o nā kukui incandescent ʻelima like, ʻo ia hoʻi, like ke kūpaʻa o kēlā me kēia kukui.
Ma muli o ke ʻano like o ke kū'ē ʻana, hilinaʻi wale ka ʻōlinolino o ke kukui i ka ikaika o ke au uila e kahe ana ma o ke kukui.
Wahi a ke kānāwai 1 o Kirchhoff, ua like ke au uila e hele ana ma o nā kukui D a me E no ka mea ua hoʻopili ʻia lākou ma ke ʻano he moʻo, ʻoiai e māhele ʻia ke au uila e hele ana ma o kahi kaapuni like.
Inā wehe ʻia ke kukui B, ʻo nā kukui e ʻā mālie aʻe ana ʻo ia nā kukui D a me E, kahi i like ai ka lapalapa ʻālohilohi o nā kukui ʻelua.
ʻO ka pane pololei ʻo E.
15. E nānā i ke kiʻikuhi kaapuni uila ma lalo nei!
Inā he ʻokoʻa hiki ke loaʻa i ke kumu uila he 24 volts, ʻo ke au ma ke kiko lālā I he…
A. 1,2 A
B. 2,0 A
C. 2,4 A
D. 3,0 A
Pahana
Ua ʻike ʻia:
Kumu EMF (E) = 24 Volts
Ke kū'ē kūloko (r) = 2 Ohm
Nā mea kū'ē he 40 Ohm, 20 Ohm a me 20 Ohm.
Nīnau: Ka ikaika o kēia manawa ma ke kiko lālā I
Pane:
Ua hoʻopili like ʻia nā resistors ʻekolu, ʻo nā resistors pani:
1/R = 1/40 + 1/20 + 1/20
1/R = 1/40 + 2/40 + 2/40
1/R = 5/40
R = 40/5
R = 8 Ohm
Ka uila hoʻopaʻa:
V = E – I r
V = 24 – I 2
Ka ikaika o kēia manawa ma ke kiko lālā I:
V = IR
24 – ʻAu 2 = ʻAu 8
24 = 1 8 + 1 2
24 = ʻU (10)
ʻO wau = 24/10
ʻO I = 2,4 Amperes
ʻO C ka pane pololei.
Puna nīnau:
Nā Nīnau Hoʻokolohua ʻEpekema Lahui no ke Kula Kiʻekiʻe Haʻahaʻa/Kula Kiʻekiʻe ʻIslama
Nā Nīnau Physics SBMPTN
