Nke technologyElectronics

Gịnị bụ a resistor - isi atụmatụ

Ọtụtụ ndị, ọbụna n'ebe dị anya site na nsogbu nke physics, eletriki injinịa, electronics utermine nụrụ ndị dị ka "ndị na-eguzogide" ma ọ bụ a ọhụrụ okwu - resistor. Otú ọ dị, mmadụ ole na ole maara ihe ọ bụ na ihe ọ na-eji. N'ihi ya, ihe a resistor?

Zaghàchi ha ajụjụ a dị mfe. Resistor - otu n'ime ihe ndị kasị eletriki mmiri na redio, tele-video-audio akụrụngwa. The isi e ji mara nke resistors bụ ya iguzogide, nke na-tụrụ na nkeji nke ohms n'ihe. E nwere isi ihe abụọ na ụdị nke a na ngwaọrụ na-n'ozuzu nzube na-akpọ ike. Gịnị bụ a anụ resistor? Ọ bụ nnọọ oké ọnụ ngwaọrụ na-eji na elu-ziri ezi akụrụngwa. Ihu ọma iji izugbe nzube resistors.

Eguzogide general nzube resistors nwere ike ịdị iche n'ime banyere +/- 10%. Ndị na-eguzogide na-adabere na-akpọ okpomọkụ ọnụọgụ nke ndị na-eguzogide (na pụrụ iche akwụkwọ e ji amụ e Mbelata TCR). Ọtụtụ ọkọlọtọ resistor a dị mma na-akpata. Nke a pụtara na onye na-abawanye na okpomọkụ na-abawanye na ndị na-eguzogide.

Gịnị bụ ndị na-eguzogide na okwu nke e ji mara ya? Otu n'ime isi ihe e ji mara nke resistors nwere ike na-akpọ ike dissipation. Nke a bụ ike na o nwere ike dissipate enweghị akwagide mebiri. Power, dị ka anyị maara, a na-tụrụ na nkeji nke n'ihe dị ka Watts. Ịmara elu ọnụ na-eguzogide ma na nke ugbu a na-eru site na electric circuit, nwere ike gbakọọ na mmepụta. Ọ bụ dị ka usoro P = m ^ 2 * R, ebe P - ike, m na - na uru nke ugbu a ike, na-R - gosiri resistor. Ọ nwere ike na a ga-kwubiri na ndị dị otú a resistor si ele ihe anya nke eletriki injinịa. Ọ bụ isi bughi akụkụ nke ọ bụla circuit, onye isi ọrụ bụ inye a elu ọnụ (mara) iguzogide eruba n'ime ọkụ ugbu a n'ime circuit maka nzube nke voltaji ụkpụrụ na ugbu a. na-eji a na-akpọ dị arọ n'ihi nzube nke inye iwu voltaji na circuit. Gịnị bụ dị arọ resistor? Nke a ngwaọrụ-ejikọ na netwọk na-amịkọrọ ụfọdụ nke ngafe voltaji, si otú hara nhata ahụ esiri na onye alaka nke circuit na ịnọgide na-enwe voltaji kwụsie ike. On a ụkpụrụ e mere maka ikanam na resistor. Na ikanam n'ezie ozugbo ọkụ site na-agafe ugbu a site na ya, ejikọrọ thereto na usoro tokogasitelny resistor.

Ndị na-eguzogide nke resistor adabere ihe nke na ọ mejupụtara. Ọ na-adabere na shiee ebe (ihe mpaghara nke cutoff, ndị na-erughị na-eguzogide) si resistor ogologo (ogologo ya bụ, kakwa ukwuu na-eguzogide).

Resistors conveniently akara agba ma ọ bụ maka digital signage. Na-enyemaka nke ndị dị otú ahụ a labeling bụ omume na-na-amụta ihe ndị kasị mkpa ihe onwunwe nke ọ bụla resistor, ya bụ uru nke ya iguzogide. Mụta ihe ọ pụtara a akpan akpan agba ma ọ bụ na ọnụ ọgụgụ pụrụ ịbụ a paspọtụ ma ọ bụ a ngwaọrụ emeputa ma ọ bụ soplaya (atụ, na website).

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