Dịka e si amụ ya n'ọrụ na ike, a na-akọwa ike dịka ọrụ e mere n'oge ụfọdụ. Ọrụ bụ usoro mgbanwe ike, yabụ enwere ike ịghọta ike dịka mgbanwe ike n'oge ụfọdụ.
Ike eletriki bụ mgbanwe nke ike eletriki n'ime oge akọwapụtara. Mkparịta ụka gbasara ike eletriki na-akọwa na mgbanwe na ike eletriki na-eme mgbe chaja eletriki gafere ọdịiche ike eletriki.
Resistor bụ ihe dị na sekit eletriki nke na-achịkwa ọnụọgụ ọkụ eletrik . Resistor eji eme ihe na sekit eletriki na-abụkarị cylindrical n'ụdị ya, waya dịkwa na nsọtụ abụọ ya. A na-egosi uru iguzogide nke resistor site na koodu agba ma gosipụta ya n'elu resistor ahụ.
Enwere ike ịchọpụta uru iguzogide nke resistor site na ịkọwa koodu agba nke resistor . Iji ghọta nke a, buru ụzọ lelee tebụl na-esote, wee mụọ nsogbu ihe atụ maka ịchọpụta uru iguzogide nke resistor.
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.
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:
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)
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.
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 = 0o (ahịrị ọkụ eletrik na-adaba na ahịrị nkịtị)
A jụrụ: Ọgba ọkụ eletrik (Φ)
Azịza:
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:
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:
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: