Ihe atụ isii nke ajụjụ gbasara sekit eletriki dị ugbu a
1. Lee foto sekit RLC a! Ọ bụrụ na mgbochi sekit bụ 250 Ω, mgbe ahụ nguzogide nke resistor (R) bụ…..
A. 50 Ω
B. 200 Ω
C. 400 Ω
D. 600 Ω
E. 800 Ω
Mkparịta ụka
Ihe atụ nke ajụjụ ntinye EMF nke ntinye elektrọnik
Ihe atụ iri nke ajụjụ ntinye elektrọnik EMF Induction
1. Onye na-emepụta ihe nwere eriri nwere ọtụtụ ntụgharị N na mpaghara nkebi A. Igwe ahụ dị na mpaghara magnet B, wee tụgharịa ya na ọsọ angular ω ka e wee mepụta EMF kachasị nke volt 50. Ọ bụrụ na ogwe magnet ahụ agbanwee gaa na 1/2 nke uru mbụ ya na ọsọ angular ya agbanwee ruo ugboro anọ uru mbụ ya, mgbe ahụ EMF kachasị nke a kpaliri ga-abụ...
A. 25 volts
B. 50 volts
C. 100 volts
D. 200 volts
E. 250 volts
Mkparịta ụka
Ihe atụ iri abụọ na abụọ nke ajụjụ gbasara Mmalite na Ike Magnetik
Ihe atụ iri abụọ na abụọ nke ajụjụ gbasara Mmalite na Ike Magnetik
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
Ihe atụ nke sekit eletriki Direct Current
Ihe atụ 9 nke ajụjụ gbasara sekit eletriki kpọmkwem
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 :
Ajụjụ atụ gbasara ebili mmiri ọkụ
Ihe atụ iri na otu nke ebili mmiri ọkụ
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
Ajụjụ atụ gbasara Ebili Mmiri Mechanical
Ihe atụ iri na atọ nke ebili mmiri igwe
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
Iwu Ampere
Iwu Ampere
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).
Ike ndọta dị n'etiti waya abụọ kwụ ọtọ na-ebu ọkụ eletrik
Ihe Ike ndọta dị n'etiti waya abụọ kwụ ọtọ nke nwere ike eletrik
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.
Oke ike magnetik
Ọdụ magnetik nke ọkụ eletrik na waya ogologo kwụ ọtọ kpatara
Ihe gbasara ubi magnetik nke ọkụ eletrik na-akpata na waya ogologo kwụ ọtọ
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.
Ike eletriki, ike ọkụ eletrik, ike ndọta, ike ndọta
Ihe gbasara ọkụ eletrik, chajị eletrik, ubi magnetik, ike magnetik
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.