Isiokwu gbasara ihe ndị sitere n'okike wdg metụtara physics.
1. Lee foto dị n'akụkụ!
Ọnọdụ waya nke atọ na ntụziaka nke ugbu a ka waya nke atọ ghara ịnweta ike magnetik nke a tụrụ site na waya mbụ bụ...
A. 9 cm elu ntụziaka ugbu a
B. 6 cm elu ntụziaka ugbu a
C. 6 cm ala ntụziaka ugbu a
D. 3 cm elu ntụziaka ugbu a
E. 3 cm ala n'akụkụ ugbu a
Mkparịta ụka
1. Lee foto nhazi resistor dị n'okpuru! Oke nke ọkụ eletrik site na R 1 bụ…
A. 2,0 Amperes
B. 2,5 Amperes
C. 4,0 Amperes
D. 4,5 Amperes
E. 5,0 Ampere
Mkparịta ụka
A maara :
Resistor 1 (R)1) = 4 Ω
Resistor 2 (R)2) = 4 Ω
Resistor 3 (R)3) = 8 Ω
Voltaji eletriki (V) = Voltaji iri na isii
A jụrụ : Ugbu a ruo R1
Jawab :
Lezienụ anya n'okwu ndị a:
(1) Jiri grid dochie grid ahụ na ọnụọgụgụ ahịrị dị elu karịa kwa milimita.
(2) Ìhè nke na-ada site na acha anụnụ anụnụ gaa na odo odo
(3) Gbanwee ìhè na-apụta site na uhie gaa na akwụkwọ ndụ akwụkwọ ndụ
(4) Bugharịa ihuenyo ahụ nso na grid ahụ
Ihe dị n'ime mgbalị iji mee ka obosara nke eriri na-egbuke egbuke dịkwuo elu na nnwale nke diffraction grating bụ...
Mkparịta ụka
1. Ọdịiche nke usoro nke ebili mmiri transverse
Lee onyonyo ebili mmiri sinusoidal a!
Ọ bụrụ na ogologo ebili mmiri nke sinusoid dị n'elu bụ 80 cm, mgbe ahụ isi ihe nwere ọdịiche nke phase nke ¾ bụ…
A. P nwere Q
B. P na R
C. P na S
D. Q na S
E. R na S
Mkparịta ụka
Ọkà mmụta sayensị nke France bụ́ Andre Marie Ampère (1775–1836) tụrụ aro njikọ n'etiti ọkụ eletrik na-agafe n'ime ihe nduzi ọ bụla na ubi magnet nke e mepụtara gburugburu ya. Nke a bụ Iwu Ampère. Usoro dị n'okpuru na-egosi Iwu Ampère.
—–> Iwu Ampere
Ngụkọta nke ihe mejupụtara (Σ) nke ubi magnetik (B) nke dị n'akụkụ ogologo nkeji nke onye na-eduzi ya, nke na-agbakọ ogologo nkeji nke onye na-eduzi ya (∆l), hà nhata na ngwaahịa nke µ o (µ o = 4π x 10 -7 Tm/A) na ọkụ eletrik (I).
Ọkụ eletrik na-agafe na waya na-emepụta oghere magnet gburugburu ya. Ọ bụrụ na waya ahụ kwụ ọtọ, ahịrị ubi magnet ahụ na-etolite okirikiri, waya kwụ ọtọ dịkwa n'etiti okirikiri ahụ.
Ọ bụrụ na e nwere waya abụọ na-eduzi ihe n'otu aka ahụ ma kewaa ha site na anya L, mgbe ahụ, a na-enwe mmetụta nke magnetik nke ọkụ eletrik na-emepụta na waya na-eduzi ihe 1 na waya na-eduzi ihe 2, otu a ka a na-enwe mmetụta nke magnetik nke ọkụ eletrik na-emepụta na waya na-eduzi ihe 2 na waya na-eduzi ihe 1.
isiokwu Ọkụ eletrik, ọkụ eletrik, ebe ndọta, ike ndọta ndikomKọwaa na ọkụ eletrik nwere ike imepụta ubi magnetik. Ọ bụrụ na ọkụ eletrik na-agafe waya dị ogologo, kwụ ọtọ, a na-emepụta ubi magnetik, ya na ahịrị ubi magnetik na-eme okirikiri gburugburu waya ahụ dị ka etiti. Foto dị n'aka nri na-egosi nke a.
Na 1819, otu ọkà mmụta sayensị bụ́ onye Denmark aha ya bụ Hans Christian Oersted (1777–1851) chọpụtara mmekọrịta dị n'etiti magnetism na eletriki , ma ọ bụ chaja na-agagharị . Ọ chọpụtara na mgbe agịga compass dị nso na waya nke na-ebu ọkụ eletrik, ọ na-agbagọ. Mgbe ọkụ eletrik adịghị, agịga compass ahụ tụgharịrị aka n'ebe ugwu.
Agịga kompas bụ magnet, yabụ ike magnet nwere ike ibugharị ya . Ebee ka ike magnet (F) si abịa? N'akụkụ agịga kompas ahụ ka waya na-ebu ọkụ eletrik dị, yabụ ọkụ eletrik ga-emepụta ike magnet.
Lee onyonyo dị n'aka nri. Jiri iwu aka nri chọpụta ebe ọkụ eletrik na ebe ọkụ eletrik na-aga. Ọ bụrụ na ọkụ eletrik (I) na-aga elu, ntụziaka nke ọkụ eletrik (B) ga-adị ka egosiri na onyonyo dị n'aka ekpe. N'aka nke ọzọ, ọ bụrụ na ọkụ eletrik na-aga ala, ntụziaka nke ọkụ eletrik ga-adị ka egosiri na onyonyo dị n'aka nri.
Mụtakwuo ihe gbasara Iwu Kirchhoff na mkparịta ụka gbasara ajụjụ gbasara Iwu Kirchhoff.
1. Sekit eletriki nwere resistors anọ, nke ọ bụla R 1 = 6 Ohm, R 2 = 6 Ohm, R 3 = 9 Ohm na R 4 = 3 Ohm ejikọtara na E 1 = 6 Volt, E 2 = 12 Volt dịka egosiri na eserese na-esonụ. Ọkụ eletrik na-asọ bụ….
A. 1/5 A
B. 2/5 A
C. 3/5 A
D. 4/5 A
E. 1 A
Mkparịta ụka
A maara na:
Resistor 1 (R)1) = 6 Ω
Resistor 2 (R)2) = 6 Ω
Resistor 3 (R)3) = 9 Ω
Resistor 4 (R)4) = 3 Ω
Isi mmalite nke emf 1 (E1) = Volt 6
Isi mmalite nke emf 2 (E2) = Volt 12
A jụrụ: Ọkụ na-asọ n'ime sekit ahụ (I)
Azịza:
Mụtakwuo ihe gbasara resistors ndị yiri ya na ihe atụ nke nsogbu resistors usoro , ihe atụ nke nsogbu iguzogide eletriki.
1. Ebe ọ bụ na R 1 = 2 Ω na R 2 = 4 Ω jikọtara n'otu oge. Gịnị bụ uru nke resistor nnọchi? (Ω = Ohm).
Mkparịta ụka
1/R = 1/R 1 + 1/R 2 = 1/2 + 1/4 = 2/4 + 1/4 = 3/4
R = 4/3 Ω
Uru nke nguzogide nnọchi dị ukwuu karịa uru nke nguzogide ọ bụla ejikọtara na usoro.
2.R1 = 1 Ω, R2 = 2Ω, R3 = 3 Ω. Uru ihe nnọchi anya bụ…..