16 mau laʻana o nā nīnau magnet
1. Inā ʻoki ʻia kahi ʻāpana magnet i 3 mau ʻāpana like, a laila e like nā pou kūpono mai nā ʻāpana magnetic he…
Pahana
ʻElua mau pou o ka makeneti: kahi pou ʻākau a me kahi pou hema. Inā ʻoki ʻia ka makeneti i ka hapalua, e mālama kēlā me kēia ʻāpana i kahi pou ʻākau a me hema. Inā ʻoki ʻia ka makeneti i ʻekolu ʻāpana, e mālama kēlā me kēia ʻāpana i kahi pou ʻākau a me hema.
ʻO ka pane pololei ʻo B.
2. ʻO ka hui o nā mea i kū ʻole i ka magnetic he...
A. kila a me ka hao
B. kila a me ka kini
C. alumini a me ka hao
D. alumini a me ka kini
Pahana
Nā mea makeneka he mau mea i hiki ke huki ʻia e kahi magnet me ka ikaika huki ikaika. No ka laʻana ka hao, ke kila, ka nikala. Nā mea ʻaʻole makeneka ua hoʻokaʻawale ʻia i loko o nā ʻano paramagnetic a me diamagnetic. Nā mea paramagnetic he mau mea hiki ke huki ʻia e nā magnet akā nāwaliwali ka ikaika magnetic. No ka laʻana, alumini, keleawe. ʻO nā mea diamagnetic nā mea hiki ʻole ke huki ʻia e nā magnet. No ka laʻana, zinc, gula, mercury.
ʻO D ka pane pololei.
3. ʻO ke ʻano o ke kahua magnetic ʻo ia hoʻi...
A. nā wahi ma waho o ka mana o nā mana magnetic
B. ka ʻāpana ma nā wēlau ʻelua o ka makeneka
C. nā wahi i lalo o ka mana o ka ikaika magnetic
D. ka ʻāpana ma waena o nā pou makeneka ʻelua
Pahana
ʻO C ka pane pololei.
4. E nānā i ke kiʻi o nā makeneka ʻelua ma lalo nei. Inā e hoʻokokoke ʻia nā pou B a me C, e huki lākou kekahi i kekahi. ʻO ka ʻōlelo pololei...
ʻO A. ʻO A ka pou ʻākau a ʻo C ka pou ʻākau
B. A pou ʻākau a me D pou ʻākau
C. A pou hema a me D pou hema
D. A pou ʻākau a me B pou ʻākau
Pahana
Inā huki nā pou B a me C kekahi i kekahi, a laila ʻokoʻa nā pou B a me C. Ke manaʻo nei ʻo A ka pou ʻākau, a laila ʻo B ka pou hema. No ka mea, huki ka pou B i ka pou C, ʻo ka pou C ka pou ʻākau a ʻo ka pou D ka pou hema.
ʻO A ka pane pololei.
5. Inā hoʻokokoke ʻia kahi magnet e kekahi magnet ʻē aʻe, ʻo wai ke kiʻi pololei loa?
Pahana
Kapekuʻi:
ʻU = pou ʻākau o ka makeneka, S = pou hema o ka makeneka
E like me nā pou makeneka e kipaku aku ai a e huki ana nā pou makeneka ʻē aʻe.
ʻO ka pane pololei ʻo B.
6. ʻO ke kuhikuhi o nā laina kahua magnetic ma waena o nā pou magnetic ʻelua ...
Pahana
Ua maopopo ʻole ka pilikia a ʻaʻole hiki ke hoʻoponopono ʻia.
7. ʻO nā mea i huki ikaika ʻia e nā magnet he...
A. paramagnetic
B. ferromagnetic
C. diamagnetic
D. electromagnetic
Pahana
nā mea makeneka a i ʻole ferromagnetic he mau mea i hiki ke huki ʻia e kahi magnet me ka ikaika huki ikaika. No ka laʻana hao, kila, nickel, cobalt. Nā mea ʻaʻole makeneka ua hoʻokaʻawale ʻia i loko o nā ʻano paramagnetic a me diamagnetic. Nā mea paramagnetic he mau mea hiki ke huki ʻia e nā magnet akā nāwaliwali ka ikaika magnetic. No ka laʻana, alumini, keleawe. ʻO nā mea diamagnetic nā mea hiki ʻole ke huki ʻia e nā magnet. No ka laʻana, zinc, gula, mercury.
ʻO ka pane pololei ʻo B.
8. ʻO kēia ka hui o nā mea i hoʻokaʻawale ʻia he mau mea makeneka...
A. hao, kila, keleawe
B. hao, kila kila, aniani
C. hao, nikala, aniani
D. hao, kila, cobalt
Pahana
ʻO nā mea magnetic a ferromagnetic pahahe mea ia e hiki ke huki ʻia e kahi magnet me kahi ʻume ikaika. No ka laʻana hao, kila, nickel, cobalt.
ʻO D ka pane pololei.
9. E nānā i ke kiʻi! Lilo kēia mau kui ʻelua i mau koʻokoʻo makeneka ma hope o ka lawe ʻia ʻana a kokoke i kahi makeneka, no laila ʻo nā pou o ke kui AB a me ke kui CD...
A. A = Hema, B = ʻĀkau, C = Hema, D = ʻĀkau
B. A = ʻĀkau, B = Hema, C = ʻĀkau, D = Hema
C. A = Hema, B = ʻĀkau, C = ʻĀkau, D = Hema
D. A = ʻĀkau, B = Hema, C = Hema, D = ʻĀkau
Pahana
ʻElua mau pou o nā makeneka: kahi pou ʻākau a me kahi pou hema. ʻO nā pou like ʻole e huki kekahi i kekahi (ʻo nā pou ʻākau a me nā pou hema e huki kekahi i kekahi). I ka ʻaoʻao ʻē aʻe, ʻo nā pou like e pale aku (ʻo nā pou ʻākau e pale aku kekahi i kekahi a me nā pou hema e pale aku kekahi i kekahi).
Ma muli o ka wehewehe ʻana ma luna, hiki ke hoʻoholo ʻia penei:
A = pou ʻākau, B = pou hema, C = pou ʻākau, D = pou hema.
ʻO ka pane pololei ʻo B.
10. ʻO ke kumu e kuhikuhi mau ai ke kui panana i ka ʻākau a me ke kūkulu hema o ka honua...
A. Aia kahi mana hoʻowalewale ma waena o ke kui panana a me ka makeneka o ka honua.
B. no ka mea, he magnet liʻiliʻi ke kui panana e neʻe maʻalahi ana
C. no ka mea, he alakaʻi ke panana i nā kuhikuhi ʻākau a me hema o ka honua
D. no ka mea, he palupalu loa ke kui panana makeneka no laila he maʻalahi ke huki
Pahana
He nila makeneka ka nila panana me ʻelua mau pou: kahi pou ʻākau a me kahi pou hema. Kuhi mau ka pou ʻākau o ka nila panana i ka ʻākau honua o ka Honua, ʻoiai ke kuhikuhi mau ka pou hema o ka nila panana i ka hema honua o ka Honua.
ʻO ka maʻamau, ʻo nā pou ʻākau a me nā pou hema o nā makeneka ʻelua like ʻole e huki kekahi i kekahi, no laila ua hoʻoholo ʻia he pono e huki ʻia ka pou ʻākau makeneka o kahi nila panana e ka pou hema makeneka o ka honua a ʻo ka pou hema makeneka o kahi nila panana e pono e huki ʻia e ka pou ʻākau makeneka o ka honua. No ka mea, ʻo ka pou ʻākau makeneka o kahi nila panana e kuhikuhi ana i ka ʻākau honua o ka honua, hiki ke hoʻoholo ʻia aia ka pou hema makeneka o ka honua ma ka ʻākau honua o ka honua a aia ka pou ʻākau makeneka o ka honua ma ka hema honua o ka honua. Pono e hoʻomaopopo ʻia ʻaʻole kūlike ka pou hema makeneka o ka honua me ka pou ʻākau honua o ka honua, akā aia ma kahi o 1300 kilomita mai ka pou ʻākau honua.
ʻO A ka pane pololei.
11. Ma ke kiʻi aʻe, ʻo ke kihi o ka hilig he...
H. 1
B. 2
C. 3
D. 4
Pahana
ʻO ke kihi o ke kūlou ʻana, ʻo ia ke kihi ma waena o ke kia ʻākau o ke kui panana a me ka mokulele ʻākea. Ma ke kiʻi, ua hōʻike ʻia ke kihi o ke kūlou ʻana e ka helu 1.
I kēia manawa, ʻo ke kihi declination (magnetic deviation) ʻo ia ke kihi ma waena o ka pou ʻākau magnetic o ke kui panana a me ka pou ʻākau geographic o ka Honua a i ʻole ke kihi ma waena o ka pou hema magnetic o ke kui panana a me ka pou hema geographic o ka Honua. Ma ke kiʻi, ua hōʻike ʻia ke kihi declination e ka helu 2.
ʻO A ka pane pololei.
12. ʻO ka ʻokoʻa ma waena o ka inclination a me ka declination...
Pahana
ʻO ke kihi o ka hili ʻana ke kihi ma waena o ke kui panana a me ka laina moe.
SʻO ke kihi declination (magnetic deviation) ke kihi ma waena o ka pou ʻākau magnetic o kahi nila panana a me ka pou ʻākau honua o ka honua a i ʻole ke kihi ma waena o ka pou hema magnetic o kahi nila panana a me ka pou hema honua o ka honua.
ʻO C ka pane pololei.
13. Aia ma lalo nā kumu e kuhikuhi mau ai ka pou ʻākau o ka makeneka i ka pou ʻākau o ka honua!
A. Aia ka pou ʻākau makeneka o ka Honua a puni ka Pou ʻĀkau o ka Honua.
B. A puni ka Pou ʻĀkau o ka Honua aia ka pou hema makeneka o ka Honua.
C. Ma ka ʻaoʻao ʻākau o ka Honua ka ʻaoʻao ʻākau makeneka o ka Honua.
D. Ma ka ʻaoʻao ʻākau o ka Honua ka ʻaoʻao hema makeneka o ka Honua.
Pahana
ʻElua mau pou honua ko ka Honua: ka pou ʻākau a me ka pou hema. He mea nui e hoʻomaopopo he makeneka nō hoʻi ka Honua, me ʻelua mau pou: ka pou ʻākau a me ka pou hema. ʻAʻole pili nā pou makeneka o ka Honua a me nā pou honua. Aia ka pou hema makeneka o ka Honua ma kahi kokoke i ka pou ʻākau honua, ʻoiai aia ka pou ʻākau makeneka o ka Honua ma kahi kokoke i ka pou hema honua.
Kuhi mau ke kia ʻākau makeneka o ke kui panana i ke kia hema makeneka o ka Honua (a puni ke kia ʻākau honua o ka Honua) a kuhikuhi mau ke kia hema makeneka o ke kui panana i ke kia ʻākau makeneka o ka Honua (a puni ke kia hema honua o ka Honua).
ʻO ka pane pololei ʻo B.
14. Lilo pū ka ʻau hao PQ i makeneka me ke ʻano o nā pou e like me ka mea i hōʻike ʻia ma ke kiʻi, no ka mea, ua lawe ʻia mai ia a kokoke i ka ʻau kila AB he makeneka hana. Hōʻike ke kiʻi ma lalo nei i ke ala kūpono e hana ai i kahi makeneka ʻau PQ, ʻo ia hoʻi...
Pahana
ʻEkolu mau ala e hoʻolilo ai i ka hao i makeneka, ʻo ia hoʻi ka hamo ʻana, ka hoʻokomo ʻana a me ka hoʻoili ʻana i ke au uila ma o ia mea.
Ke hana ʻana i nā magnet ma o ka induction
Hana ʻana hika Ma o ka hoʻokomo ʻana, hana ʻia ka lawe ʻana mai i ka mea e hana ʻia ai i makeneka kokoke i ka mea i hoʻokomo ʻia i makeneka, me ka ʻole o ka hoʻopā ʻana i nā mea ʻelua. Inā lawe ʻia kekahi wēlau o ka mea kokoke i ka pou ʻākau o ka makeneka, lilo ka wēlau o ka mea i pou hema. I ka ʻaoʻao ʻē aʻe, inā lawe ʻia ka wēlau o ka mea kokoke i ka pou hema, lilo ka wēlau o ka mea i pou ʻākau. Hōʻike ʻia kahi laʻana o ka hana ʻana i makeneka ma o ka hoʻokomo ʻana ma ke kiʻi o kahi ʻau hao a me kahi makeneka ʻau kila ma kahi pou kākoʻo. Ma ke kiʻi, ua lawe ʻia ka wēlau Q o ka ʻau hao kokoke i ka pou hema o ka makeneka kila, no laila e loli ka wēlau Q o ka ʻau hao i ka pou ʻākau a lilo ka wēlau P o ka ʻau hao i pou hema.
Ke hana ʻana i nā makeneka ma ka hamo ʻana
ʻO ka hana ʻana i kahi makeneka ma ka hamo ʻana, hana ʻia ia ma ka hamo ʻana i kahi makeneka ma luna o ka mea e makeneka ʻia, kahi e hana ʻia ai ka hamo ʻana ma kekahi ʻaoʻao. ʻO nā pou i hana ʻia ma luna o ka mea e makeneka ʻia ana e pili ana i ka pou o ka makeneka i hoʻohana ʻia no ka hamo ʻana. Inā ʻo ka pou o ka makeneka i hoʻohana ʻia no ka hamo ʻana, ʻo ia ka pou ʻākau, a laila ʻo ka hopena hope loa o ka mea e hamo ʻia ana e lilo i ka pou hema. I ka ʻaoʻao ʻē aʻe, inā ʻo ka pou o ka makeneka i hoʻohana ʻia no ka hamo ʻana, ʻo ia ka pou hema, a laila ʻo ka hopena hope loa o ka mea e hamo ʻia ana e lilo i ka pou ʻākau. Ua hewa nā pane A a me B no ka mea, ʻaʻole hana ʻia ka hamo ʻana ma kekahi ʻaoʻao.
Ke hana ʻana i nā makeneka ma o ka hoʻoili ʻana i kahi au uila ma o lākou
ʻO ke kaʻina hana o ka hana ʻana i kahi makeneka ma o ka hoʻoili ʻana i kahi au uila ma o ia mea e like me ke kiʻi ma nā pane C a me D. Hoʻoholo ʻia nā pou makeneka hopena me ka hoʻohana ʻana lula lima ʻākau. E nānā i ke kiʻi C. E kau pololei i kou lima ʻākau i mua o kou alo; kū pololei ka pālima o kou lima ʻākau i kou alo. E kulou i kou mau manamana lima ʻehā (manamana kuhikuhi, manamana lima waena, manamana lima apo a me ka manamana lima liʻiliʻi). ʻO ke kuhikuhi o kou mau manamana lima ʻehā ua like ia me ke kuhikuhi o ke au i loko o ka wili uea a ʻo ke kuhikuhi o kou manamana nui i ka ʻākau ua like ia me ke kuhikuhi o ke kahua makeneka. Puka mau ke kahua makeneka mai ka pou ʻākau a i ka pou hema. No laila, ma ke kiʻi C, ʻo ka piko Q ka pou ʻākau o ka makeneka.
Ma ke kiʻi D, aia ka pou ʻākau o ka makeneka ma ka hopena P no ka mea ʻo ke kuhikuhi o ke au ma o ka wili uea e kūʻē ana i ka mea ma ke kiʻi C. Ua hōʻike hewa ʻia ke kuhikuhi o ke au no ka mea pono e neʻe ke au mai ke kiʻekiʻe a i ka hiki haʻahaʻa, ʻaʻole ma ke ʻano ʻē aʻe.
ʻO C ka pane pololei.
15. E nānā i ke kiʻi ma lalo nei! Ke hoʻokokoke ʻia ka hao AB i ka PQ, ʻike ʻia nā pou magnetic e like me ka mea i hōʻike ʻia ma ke kiʻi.
Inā he makeneka hana ka pā PQ, hōʻike ke kiʻi ma lalo nei i ke kaʻina hana kūpono no ka hana ʻana i kahi makeneka ma ka pā PQ...
Pahana
I ke kaʻina hana o ka hana ʻana i ke koʻokoʻo hao PQ i makeneka ma o ka hoʻokomo ʻana, ua kokoke ka hopena o P i ka pou ʻākau o ka makeneka AB i hiki ai Lilo ʻo P i ka pou hema.
Ma ka pane A, ua hamo ʻia ka makeneka ma kekahi ʻaoʻao mai ka hema a i ka ʻākau a ʻo ke kia makeneka i hoʻohana ʻia no ka hamo ʻana ʻo ia ka kia ʻākau. ʻO ka hopena o ka mea e hamo ʻia ana Lilo ʻo P i ka pou hema.
Ma ka pane B, ua hamo ʻia ka makeneka ma kekahi ʻaoʻao mai ka ʻākau a i ka hema, a ʻo ke kia makeneka i hoʻohana ʻia no ka hamo ʻana ʻo ia ka kia ʻākau. ʻO ka hopena o ka mea e hamo ʻia ana, ʻo ia hoʻi ʻo Q, e lilo i kia hema.
Ma nā pane C a me D, ʻaʻole i hamo ʻia ka makeneka i hoʻokahi ʻaoʻao.
ʻO A ka pane pololei.
16. Ua kau ʻia kahi mākēneki nila ma waena o ʻelua mau mākēneki pā. ʻO ke kūlana kūpono no ka mākēneki nila a me ka mākēneki pā…
Pahana
ʻO D ka pane pololei.
Puna nīnau:
Nā Nīnau Hoʻokolohua ʻEpekema Lahui no ke Kula Kiʻekiʻe Haʻahaʻa/Kula Kiʻekiʻe ʻIslama
