Ilmu Pengetahuan

Tupu ị mụọ isiokwu a, buru ụzọ ghọta ihe gbasara physics , ike nchekwa , chajị ọkụ eletrik , iwu Coulomb na ubi ọkụ eletrik.

Ike eletriki bụ ike nchekwa

E wezụga ike ndọda na ike mmiri, ihe atụ ọzọ nke ike nchekwa bụ ike ọkụ eletrik. Iji ghọta nke ọma ihe mere e ji akpọ ike ọkụ eletrik ike nchekwa, gụọ nkọwa a.

Ka e were ya na e nwere efere abụọ e ji ọkụ eletrik chajị dịka egosiri na foto a, efere aka ekpe chajị dị mma, efere aka nri chajị adịghị mma.n adịghị mma. Àkụ dị n'etiti efere abụọ ahụ bụ ahịrị ubi eletrik yang site na chajị dị mma ma e jiri ya tụnyere chajị na-adịghị mma. Chajị dị mma dị nso na efere chajị dị mma.

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Ọdụ ọkụ eletrik n'ihi otu chajị

Iji gbakọọ ubi eletriki Site na otu chajị dị mma, nzọụkwụ mbụ bụ ịhọrọ elu Gaussian gbara okirikiri nke radius r ebe etiti nke sphere dị na chajị otu. Mpaghara elu nke sphere ahụ bụ 4.r².

Ọdụ eletriki nke si n'etiti bọọlụ ahụ pụta na-abanye n'akụkụ n'elu bọọlụ ahụ ka usoro ọkụ eletrik ahụ wee bụrụ Φ = E A. Usoro maka iwu Gauss bụ Φ = Q / ε _o

Ọdụ eletriki dị n'otu ebe dị anya site na otu chaja bụ:

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N'ihe gbasara iwu Coulomb, a mụrụ ike dị n'etiti chajị eletriki. Na nyocha nke ubi eletriki, a tụlere ụdị iwu Coulomb ọzọ, nke e gosipụtara site na nha F = q E, ebe F bụ ike eletriki, q bụ chajị eletriki, na E bụ ubi eletriki. A pụrụ ikwu na iwu Coulomb bụ iwu nke physics nke na-akọwa mmekọrịta dị n'etiti chajị eletriki (q) na ubi eletriki (E).

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Ajụjụ na usoro ihe atụ maka iwu nchekwa ike igwe, ike nwere ike nke mmiri, igwe dị mfe

Iwu nchekwa nke ike igwe

1. Ihe nwere ike mekanikal na-aga n'ihu, ike kinetic na-abawanye, na ike ndọda na-ebelata. Ihe ahụ nọ n'ọnọdụ nke….

1. diam
2. kwaga elu
3. kwaga ala
4. na-aga elu ọsọ ọsọ

Mkparịta ụka
Ka ike kinetic na-abawanye, otú ahụ ka ọsọ ihe ahụ na-abawanye, na ka ike ndọda na-adị obere, otú ahụ ka ịdị elu ihe ahụ na-ebelata n'elu ala. Nke a na-eme mgbe ihe si n'otu elu gaa n'ala.

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Ajụjụ na usoro ihe atụ maka ike eletriki na ike

Ike na Ike Eletriki

1. Oke ọkụ eletrik kwa kWh bụ Rp. 400. N'ụlọ, TV 100 Watt na-arụ ọrụ ruo awa anọ kwa ụbọchị, a na-ejikwa oriọna abụọ nke Watt 20 nke ọ bụla ruo awa iri kwa ụbọchị. Ọnụ ego ojiji ọkụ eletrik kwa ọnwa (ụbọchị 30) bụ….

A. Rp. 4.800,-
B. Rp. 9.600,-
C. Rp. 19.200,-
D. Rp. 21.120,-

Mkparịta ụka

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Ajụjụ na usoro ihe atụ maka iwu Ampere nke transformer kpaliri EMF

Iwu Ampere

1. Dịka H.C. Oersted si kwuo, ọkụ eletrik na-emepụta oghere magnet. Site n'ịmepụta echiche a, eriri na-ebu ọkụ eletrik na-emepụtakwa oghere magnet. eriri nke, mgbe ọ na-ebu ọkụ eletrik, na-emepụta oghere magnet yiri nke magnet mmanya na-emepụta bụ...

A. toroid
B. solenoid
C. waya a gbanyere agbagọ
D. akụkụ anọ eriri igwe

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Ọgba eletriki bụ ihe e ji chajị eletrik mepụta ma na-emetụta oghere gbara chajị eletrik ahụ gburugburu, ebe mmetụta nke ọkụ eletrik na-esi naanị na chajị eletrik ndị ọzọ apụta. Mgbe chajị eletrik ọzọ dị n'ọgba eletriki nke chajị eletrik mepụtara, chajị eletrik nke ọzọ na-enwe mmetụta n'ụdị ike eletrik.

Dịka akọwara n'isiokwu gbasara ubi eletrik, enwere ike ịghọta nkọwa nke ubi eletrik n'uche, mana enwere ike iche n'echiche n'uche. Iji hụ ebe ubi eletrik dị, a na-egosi ahịrị ubi eletrik. Ahịrị ubi eletrik bụ otu ahịrị e sere gburugburu chaja eletrik iji gosi ọnụnọ ya. N'ihi na ha na-achọ igosi ebe ubi eletrik dị, enwere mmekọrịta dị n'etiti ahịrị ndị a na ubi eletrik. N'ikwu ya n'ụzọ ọzọ, enwere ike ịkọwa nha na ntụziaka nke ubi eletrik site na eserese nke ahịrị ubi eletrik.

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N'isiokwu nke Electric Field , anyị atụleela nkọwa na usoro nke electric Field nke enwere ike iji gbakọọ ike electric Field nke otu chajị eletriki, ọtụtụ chajị eletriki ma ọ bụ site na nkesa nke chajị eletriki mepụtara. A na-edozi mgbako nke ike electric Field nke chajị eletriki ma ọ bụ chajị eletriki abụọ mepụtara ngwa ngwa site na iji usoro ike electric Field. Ọ bụrụ na ihe a na-agbakọ bụ ike electric Field nke nkesa chajị eletriki mepụtara, mgbako ahụ na-esikwu ike ma ọ bụrụ na ejiri usoro ike electric Field mana ọ dị mfe karị ma ọ bụrụ na ejiri iwu Gauss . Tupu ị mụọ iwu Gauss nke ọma, buru ụzọ ghọta electric flux n'ihi na a na-eji echiche nke electric flux eme ihe na iwu Gauss.

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Ihe atụ atọ nke nnyefe okpomọkụ site na radieshon

1. Kọwaa site n'iji ihe atụ, ihe ọ pụtara nnyefe okpomọkụ site na radieshon ?
Mkparịta ụka
Mbufe okpomọkụ nke radieshọn bụ mbufe okpomọkụ n'ụdị ebili mmiri elektrọnik. Ihe atụ nke mbufe okpomọkụ nke radieshọn bụ mbufe okpomọkụ site na anyanwụ gaa n'ụwa. N'etiti Ụwa na anyanwụ bụ oghere ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ oghere, yabụ okpomọkụ nke si n'anyanwụ, na okpomọkụ dị elu, gaa n'ụwa, na okpomọkụ dị ala, enweghị ike ịgafe ihe. Ìhè nke si n'anyanwụ gaa n'ụwa bụ ebili mmiri elektrọnik, dịka ọtụtụ ebili mmiri elektrọnik ndị ọzọ si dị, yabụ enwere ike ikwubi na okpomọkụ na-esi n'anyanwụ aga n'ụwa n'ụdị ebili mmiri elektrọnik.

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Ihe atụ 8 nke mbufe okpomọkụ site na conduction

1. Kọwaa site n'iji ihe atụ, ihe ọ pụtara nnyefe okpomọkụ site na conduction ?
Mkparịta ụka
Nnyefe okpomọkụ site na njikọ bụ mbufe okpomọkụ nke na-eme site na nkpọkọ n'etiti atọm/molekul ndị mejupụtara ihe. Dịka ọmụmaatụ, tụlee ogwe ígwè a na-ekpo ọkụ. A na-emetụ otu nsọtụ ígwè ahụ aka n'ọkụ ma jidekwa nsọtụ nke ọzọ. Ọ bụ ezie na njedebe ígwè a na-ejide adịghị na ire ọkụ ahụ, n'ihi na a na-ebufe okpomọkụ site na ogwe ígwè ahụ, njedebe ígwè a na-ejide na-adị ka ọ dị ọkụ. Kedu ka okpomọkụ si agafe site n'otu nsọtụ ígwè gaa na nke ọzọ?
Isi ígwè a na-ekpo ọkụ na-enweta okpomọkụ ọzọ. Kalor bụ ike nke sitere n'ihe ndị nwere oke okpomọkụ gaa na ihe ndị nwere obere okpomọkụ. Ike agbakwunyere na-eme ka atọm/molekul ndị mejupụtara ígwè ahụ maa jijiji site n'ọnọdụ nhazi ha. Ka ha na-ama jijiji karịa, atọm/molekul na-adakọ na atọm/molekul ndị agbata obi, na-eme ka atọm/molekul na-ama jijiji karịa ma nweta ike ka ukwuu. Usoro a na-aga n'ihu ruo mgbe okpomọkụ ruru n'ọnụ ígwè ahụ a na-ejide.

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