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Electric ubi osisi ike

Onye ọ bụla electric ụgwọ gburugburu electric ubi. Dị ka a n'ihi nke ogologo research physics anyị kwubiri na na mmekọrịta dị n'etiti ebubo ozu bụ n'ihi na ọkụ na ubi gbara ha gburugburu. Ha na-a pụrụ iche nke okwu, nke a na njikọ chiri na niile electric ụgwọ.

Study nke electric ubi a rụrụ site na-ewebata n'ime ya ezi ebubo ahụ. Ndị a na ozu na-ezo dị ka "ule ebubo". Ka ihe atụ, dị ka na-eji ule ụgwọ ebubo okwuchi bọl.

Mgbe na-eme ka a ule ụgwọ na-electric ubi nke ahụ ahụ, nke nwere a mma ụgwọ, mfe ghaghị ebubo pith bọl n'okpuru ya mmetụta ga-adapụ ihe, na nso anyị ga-eme ka ọ na-ahụ.

Mgbe na-akpụ akpụ a ule ụgwọ na-electric ubi nke ọ bụla ebubo ahụ nwere ike mfe ịchọpụta na ike na-eme na ya, ga-adị iche na ọnọdụ dị iche iche.

Ihe atụ, mgbe enịm ke usoro ke otu ubi ebe dị iche iche sized ule mma ebubo q1, q2, Q3, ..., qn, ị pụrụ ịchọpụta na ndị agha na-eme na ha, F1, F2, F3, ..., FN dị iche iche, ma ndị ruru nke ike na size ụfọdụ ụgwọ a na ubi mgbe niile na-ekwu:

F1 / q1 = F2 / q2 = F3 / Q3 = ... = FN / qn.

Ọ bụrụ na nke a n'ụzọ ga inyocha dị iche iche ihe nke ubi, anyị na-enweta ndị na-esonụ ọgwụgwụ: ka onye ọ bụla mgbe na electric ubi ruru nke ike akpawo na a ule ụgwọ ịdị ukwuu nke a ụgwọ na anọgide n'agbanyeghị nke uru nke ule ụgwọ.

Site na nke a, ọ pụtara na uru nke a ruru ihe e ji mara ndị electric ubi ọ bụla n'ime ya ihe. The uru nke a na-tụrụ site ruru nke ike akpawo on a mma ụgwọ enịm na mgbe ahụ nke ubi, size na-elekọta na electric ubi ike bụ:

E = F / q1.

Ọ bụ, dị ka doro anya si ya definition, hà ike nke na-eme na unit nke a mma ụgwọ enịm ke otu isi nke ọhia.

The unit nke ike nke electric ubi nke na-anata ubi osisi ike na-eme na ihe-ndebe size of otu unit na electrostatic ike nke onye dyne. Nke a unit na-akpọ ndị zuru electrostatic unit nke erughị ala.

Iji chọpụta electric ubi ike nke ọ bụla mgbe ụgwọ q na-ezighị ezi uche na ubi A ebubo ahụ bụ iche na ya site na a anya R1, a ga-enịm ke na-ezighị ezi mgbe ule ụgwọ q1 gbakọọ ike Fa, nke na-eme na ngwaahịa (agụụ).

Dị ka Coulomb iwu :

Fa = (q1q) / r²₁.

Ọ bụrụ na anyị na-ruru nke ikike ndị na-emetụta ụgwọ ya uru q1, ọ bụ omume na-gbakọọ electric ubi nke erughị ala na ebe A:

Ea = q / r²₁.

I nwekwara ike ịchọta ike na-ezighị ezi mgbe B; ọ ga-hà:

Eb = q / r²₂.

Ya mere, electric ubi siri nke a mgbe ụgwọ na otu isi nke ubi (na vacuo) na-ra nrata ka size nke ihe-ndebe na inversely proportional na square nke anya n'etiti a na ihe-ndebe.

Ubi ike na-eje ozi dị ka ike ya e ji mara. Ịmara na ọ mgbe ọ bụla mgbe nke ubi E, ọ dị mfe iji gbakọọ na mmadụ na F, eme na a ụgwọ q na a nyere ebe:

F = QE.

The electric ubi - vector ibu. Direction erughị ala ọ bụla kpọmkwem mgbe na ubi na-achọkwa na ntụziaka nke ike akpawo on a mma ụgwọ enịm ke a na-ekwu.

Na e guzobere ubi ọtụtụ ebubo: q1 na q2 - ike E mgbe ọ bụla mgbe A of a na ubi ga-hà geometric nchikota nke E1 na E2 erughị ala kere na a nyere mgbe iche iche ebubo q1 na q2.

The electric ubi mgbe ọ bụla mgbe nwere ike na-egosipụta graphically site a na-eduzi nke na-esite n'aka a, n'otu aka ahụ, ka onyinyo ike na ndị ọzọ vector quantities.

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