Fiziks nke ụlọ akwụkwọ sekọndrị

Usoro Nguzogide Ọdụdọ Eletriki

N'isiokwu gbasara iwu Ohm, e wepụtala usoro nke na-egosi mmekọrịta dị n'etiti voltaji eletriki (V), ọkụ eletrik (I) na iguzogide eletriki (R). N'ime mgbakọ na mwepụ, a na-egosipụta ya site na nha nhata:

Usoro a na-egosi na nguzogide eletriki (R) dabere kpọmkwem na voltaji eletriki (V) ma dabere na nkwụsịtụ na nkwụsịtụ na nkwụsịtụ na eletriki (I). Ka voltaji eletriki na-abawanye, otú ahụ ka nguzogide na-abawanye. N'aka nke ọzọ, ka ọkụ eletrik na-abawanye, otú ahụ ka nguzogide na-abawanye. Usoro a na-akọwa iwu Ohm naanị mgbe nguzogide (R) na-adịgide adịgide. Ọ bụrụ na nguzogide ahụ adịghị agbanwe agbanwe, usoro a anaghị akọwa iwu Ohm kama ọ na-akọwa nguzogide nke onye na-eduzi ya.

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Ihe atụ ise nke ajụjụ ndị nwere ike ime n'ọkụ eletrik

1. Kpebisie ike ike eletrik na ebe 1 cm site na chajị q = 5,0 μC. Coulomb's constant (k) = 9 x 10⁹ Nm²C^-2, 1 μC = 10^-6 C.
Mkparịta ụka
A maara na:
Anya dị anya site na chaja (r) = 1 cm = 1/100 m = 0,01 m = 10^-2 m
Chajị (q) = 5,0 μC = 5,0 x 10^-6 Ulo olu
A jụrụ: Ike eletriki (V)
Azịza:

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Ihe atụ iri na otu nke nsogbu capacitor - sekit usoro na nke parallel

1. Atọ kapastatọ ejikọtara na usoro-parallel dịka ọ dị na foto dị n'okpuru. Ọ bụrụ na C₁ = 2 μF, C₂ = 4 μF, C₃ = 4 μF, mgbe ahụ ikike nnọchi bụ…
Mkparịta ụka
A maara na:
Kapasitọ C₁ = 2 μF
Kapasitọ C₂ = 4 μF
Kapasitọ C₃ = 4 μF
A jụrụ: Ike nnọchi (C)

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Ihe atụ nke Ajụjụ Ike Eletriki Nwere Ike Ime

1. A na-eme ka elektrọn si n'ezumike gbapụta ọsọ site na ọdịiche nwere ike ịbụ volt 12. Gịnị bụ mgbanwe dị na ike elektrọn nwere ike ime?
Mkparịta ụka
A maara na:
Ibu Ibu 1 elektrọn (e) = -1,60 x 10^-19 Ulo olu
Ọdịiche ike eletriki = voltaji eletriki (V) = Voltaji 12
A jụrụ: Mgbanwe na ike ike elektrọn (ΔEP)
Azịza:
ΔEP = q V = (-1,60 x 10^-19 C)(12 V) = -19,2 x 10^-19 Joule
Ihe ịrịba ama na-adịghị mma pụtara ike ike eletrik Ọ na-ebelata. Mgbe ọ dị nso na efere chajị na-adịghị mma, ike eletrik nke elektrọn na-eru oke ya. Mgbe ọ bịarutere nso na efere chajị na-adịghị mma, ike eletrik nke elektrọn na-eru oke ya.

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Ihe atụ anọ nke nsogbu mgbanwe eletriki

1. Ọdụ eletriki nke 8000 N/C kwụ ọtọ n'elu akụkụ anọ nwere oke elu nke 10 m²Kpebie ọkụ eletrik nke na-agafe n'elu square ahụ!
Mkparịta ụka
A maara na:
Ọdụ eletriki (E) = 8000 N/C
Mpaghara elu (A) = 10 m²
θ = 0^o (ahịrị ọkụ eletrik na-adaba na ahịrị nkịtị)
A jụrụ: Ọgba ọkụ eletrik (Φ)
Azịza:

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Ihe atụ asaa nke nsogbu Angular Momentum

Momentum Angular

1. Ihe nwere oge nke inertia 2 n'arọ m² ma na-agbagharị n'elu axis a kapịrị ọnụ na ọsọ nkuku 1 rad/s. Ego ole ka ọ ga-eri? ọkụ nkuku ihe ahụ?
Mkparịta ụka
A maara na:
Oge nke inertia (I) = 2 kg m²
Ọsọ akụkụ (ω) = 1 rad/s
A jụrụ: Ike ntụgharị (L)
Azịza:
Usoro mkpali angular:

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Ihe atụ ise nke ajụjụ ike kinetic rotation

1. Ihe nwere oge nke inertia nke 1 kg m ² na-agbagharị na axis kwụsiri ike nke nwere ọsọ angular nke 2 rad/s. Kedu ike kinetic nke ihe ahụ?

Mkparịta ụka
A maara na:
Oge nke inertia (I) = 1 kg m²
Ọsọ akụkụ (ω) = 2 rad/s
A jụrụ: Ike kinetic nke ntụgharị (EK)
Azịza:
Usoro ike kinetic nke ntụgharị:

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Ihe atụ ise nke iwu nke abụọ nke mmegharị ntụgharị nke Newton

1. A na-ekechi eriri ahụ gburugburu nsọtụ silinda oghere, wee jiri ike F dọpụta njedebe nke eriri ahụ ka silinda ahụ wee tụgharịa n'akụkụ ya. Ọ bụrụ oge nke ejiji bụ 2 Nm na oge nke inertia silinda bụ 1 kg m², chọpụta osooso akụkụ nke silinda ahụ!
Mkparịta ụka
A maara na:
Oge ike (τ) = 2 Nm
Oge nke inertia (I) = 1 kg m²
A jụrụ: Osote akụkụ nke silinda ahụ!
Azịza:
Usoro iwu nke abụọ nke Newton maka mmegharị ntụgharị:

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Ihe atụ iri abụọ na ise nke ajụjụ gbasara oge nke enweghị ike ime ihe ike

Oge nke Inertia nke Mkpụrụ osisi

1. A na-ejikọ bọọlụ nwere ibu gram 100 na eriri nke dị sentimita iri atọ n'ogologo dịka egosiri na foto a. Oge nke inertia bọọlụ gbasara axis AB bụ...
Mkparịta ụka
A maara na:
Axis nke ntụgharị bụ AB
Ibu nke bọọlụ ahụ (m) = gram 100 = 100/1000 = kilogram 0,1
Anya nke bọọlụ ahụ site na axis nke ntụgharị (r) = 30 cm = 0,3 mita
A jụrụ: Oge nke inertia nke bọọlụ (I)

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Ihe atụ iri nke ajụjụ ndị a na-ajụkarị gbasara ike.

1. Ogologo mkpanaka AB bụ mita 2, oke ike F bụkwa Newton 10. Chọpụta oge nke ejiji gaa n'ebe A na ntụziaka nke ntụgharị nke mkpanaka AB!
Mkparịta ụka
Axis nke ntụgharị dị na isi A.

A maara na:
Ike (F) = Newtons 10
Anya AB (r)_AB) = mita 2
Ike F na-emepụta akụkụ nke 90^o megide mkpara AB.
Ogwe aka ike (l) = r_AB mmehie 90^o = (mita 2)(1) = mita 2
A jụrụ: Oge ike gbasara isi ihe A na ntụziaka nke ntụgharị nke mkpanaka AB

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