Kimiyya

Kafin ka yi nazarin wannan batu, da farko ka fahimci kayan da aka yi amfani da su a fannin kimiyyar lissafi , ƙarfin ra'ayin mazan jiya , cajin lantarki , dokar Coulomb da filayen lantarki.

Ƙarfin wutar lantarki ƙarfi ne mai ra'ayin mazan jiya

Bayan ƙarfin nauyi da ƙarfin bazara, wani misali na ƙarfin masu ra'ayin mazan jiya shine ƙarfin lantarki. Domin fahimtar dalilin da yasa ake kiran ƙarfin lantarki da ƙarfi mai ra'ayin mazan jiya, karanta bayanin da ke ƙasa.

A ce akwai faranti guda biyu masu caji da wutar lantarki kamar yadda aka nuna a hoton, faranti na hagu yana caji da kyau kuma faranti na dama yana caji da rashin kyau.n korau. Kibiyar da ke tsakanin faranti biyu suna Layukan filin lantarki yang daga cajin positive zuwa ga cajin negative. Cajin positive yana kusa da farantin caji mai kyau.

Karin bayani

Filin lantarki saboda caji ɗaya kawai

Don yin lissafi filin lantarki An samar da shi ta hanyar caji mai kyau guda ɗaya, mataki na farko shine zaɓar saman Gaussian mai siffar radius r inda tsakiyar ƙwallon yake a kan caji ɗaya. Yankin saman ƙwallon shine 4..r².

Filin lantarki da ke fitowa daga tsakiyar ƙwallon yana ratsawa kai tsaye zuwa saman ƙwallon don haka tsarin kwararar wutar lantarki shine Φ = E A. Tsarin dokar Gauss shine Φ = Q / ε _o

Filin lantarki a wani wuri a nesa da caji ɗaya shine:

Karin bayani

A cikin kayan da aka yi kan dokar Coulomb, an yi nazarin ƙarfin da ke tsakanin cajin lantarki. A cikin bitar filayen lantarki, an tattauna wani nau'in dokar Coulomb, wanda aka bayyana ta hanyar lissafi F = q E, inda F shine ƙarfin lantarki, q shine cajin lantarki, da kuma E shine filin lantarki. Za a iya cewa dokar Coulomb doka ce ta kimiyyar lissafi wadda ke bayyana alaƙar da ke tsakanin cajin lantarki (q) da filin lantarki (E).

Karin bayani

Tambayoyi da dabaru na misali don dokar kiyaye makamashin injiniya, makamashin da za a iya samu daga bazara, injuna masu sauƙi

Dokar kiyaye makamashin inji

1. Abu yana da kuzarin inji mai ɗorewa, yana ƙara kuzarin motsi, da kuma rage ƙarfin ƙarfin nauyi. Abu yana cikin yanayi na….

1. diyam
2. matsa sama
3. matsa ƙasa
4. ƙara sauri zuwa sama

Tattaunawa
Mafi girman kuzarin motsi, gwargwadon saurin abu, da kuma ƙaramar ƙarfin ƙarfin nauyi, gwargwadon ƙimar abin da ke sama da ƙasa. Wannan yana faruwa ne lokacin da abu ya motsa daga wani tsayi zuwa ƙasa.

Karin bayani

Tambayoyi da dabaru na misali game da makamashin lantarki da wutar lantarki

Makamashi da Wutar Lantarki

1. Kudin wutar lantarki a kowace kWh shine Rp. 400. A cikin gida, talabijin mai karfin Watt 100 yana aiki na tsawon awanni 4 a rana, kuma ana amfani da fitilu biyu masu karfin Watt 20 kowanne na tsawon awanni 10 a rana. Kudin amfani da wutar lantarki a kowane wata (kwana 30) shine….

A. Rp. 4.800,-
B. Rp. 9.600,-
C. Rp. 19.200,-
D. Rp. 21.120,-

Tattaunawa

Karin bayani

Tambayoyi da dabaru na EMF da dokar Ampere ta haifar da transformer

Dokar Ampere

1. A cewar H.C. Oersted, wutar lantarki tana samar da filin maganadisu. Ta hanyar haɓaka wannan ka'ida, na'urar lantarki mai ɗauke da wutar lantarki tana samar da filin maganadisu. Na'urar lantarki wadda, lokacin da take ɗauke da wutar lantarki, tana samar da filin maganadisu makamancin wanda aka samar da maganadisu sandar maganadisu...

A. toroid
B. solenoid
C. waya mai naɗewa
D. na'urar murabba'i mai kusurwa huɗu

Karin bayani

Filin lantarki wani abu ne da aka ƙirƙira ta hanyar cajin lantarki kuma yana shafar sararin da ke kewaye da cajin lantarki, inda tasirin filin lantarki ke ji ne kawai ta hanyar wasu cajin lantarki. Lokacin da wani cajin lantarki ya kasance a cikin filin lantarki da cajin lantarki ya ƙirƙira, ɗayan cajin lantarki yana jin tasirin a cikin nau'in ƙarfin lantarki.

Ma'anar filin lantarki, kamar yadda aka bayyana a cikin labarin game da filayen lantarki, ana iya fahimtar ta a hankali, amma kuma ana iya tunanin ta a cikin tunani. Don ganin filin lantarki, ana gabatar da layukan filin lantarki. Layukan filin lantarki jerin layuka ne da aka zana a kusa da cajin lantarki don nuna kasancewarsa. Domin suna da nufin nuna kasancewar filin lantarki, akwai alaƙa tsakanin waɗannan layukan da filin lantarki. A wata ma'anar, ana iya bayyana girma da alkiblar filin lantarki ta hanyar zane na layukan filin lantarki.

Karin bayani

A cikin batun Filin Wutar Lantarki , mun tattauna ma'anar da dabarar filin lantarki wanda za a iya amfani da shi don ƙididdige ƙarfin filin lantarki da cajin lantarki ɗaya ya samar, cajin lantarki da yawa ko ta hanyar rarraba cajin lantarki. Lissafin ƙarfin filin lantarki da cajin lantarki ko cajin lantarki biyu ya samar ana iya warware shi cikin sauƙi ta amfani da dabarar ƙarfin filin lantarki. Idan abin da aka ƙididdige shine ƙarfin filin lantarki da rarraba cajin lantarki ya samar, lissafin ya fi rikitarwa idan ana amfani da dabarar ƙarfin filin lantarki amma ya fi sauƙi idan ana amfani da dokar Gauss . Kafin yin nazarin dokar Gauss sosai, da farko a fahimci kwararar lantarki saboda ana amfani da manufar kwararar lantarki a cikin dokar Gauss.

Karin bayani

Misalai 3 na canja wurin zafi ta hanyar radiation

1. Yi bayani ta amfani da misalai, ma'anar canja wurin zafi ta hanyar radiation ?
Tattaunawa
Canja wurin zafi na radiation shine canja wurin zafi a cikin nau'in raƙuman lantarki. Misalin canja wurin zafi na radiation shine canja wurin zafi daga rana zuwa Duniya. Tsakanin Duniya da rana akwai injin tsotsa ko kusan injin tsotsa, don haka zafi da ke fitowa daga rana, a mafi yawan zafin jiki, zuwa ƙasa, a ƙaramin zafin jiki, ba zai iya ratsa abu ba. Hasken da ke fitowa daga rana zuwa Duniya raƙuman lantarki ne, kamar sauran raƙuman lantarki da dama, don haka za a iya kammala cewa zafi yana motsawa daga rana zuwa Duniya a cikin nau'in raƙuman lantarki.

Karin bayani

Misalai 8 na canja wurin zafi ta hanyar watsawa

1. Yi bayani ta amfani da misalai, ma'anar canja wurin zafi ta hanyar watsawa ?
Tattaunawa
Canja wurin zafi ta hanyar watsawa shine canja wurin zafi wanda ke faruwa ta hanyar karo tsakanin ƙwayoyin halitta/ƙwayoyin halitta waɗanda suka samar da wani abu. Misali, yi la'akari da sandar ƙarfe mai zafi. Ana taɓa ƙarshen ƙarfen zuwa harshen wuta, ɗayan kuma ana riƙe shi. Ko da yake ƙarshen ƙarfen da ake riƙewa bai taɓa harshen wuta ba, saboda ana canja zafi ta sandar ƙarfe, ƙarshen ƙarfen da ake riƙewa yana jin zafi. Ta yaya zafi yake canjawa daga ƙarshen ƙarfen zuwa ɗayan?
Ƙarfe mai zafi yana karɓar ƙarin zafi. Kalori makamashi ne da ke motsawa ta halitta daga abubuwa masu zafi mai yawa zuwa abubuwa masu ƙarancin zafin jiki. Ƙarin kuzarin yana sa ƙwayoyin halitta/ƙwayoyin da suka samar da ƙarfen su yi rawar jiki sosai daga matsayin daidaiton su. Yayin da suke ƙara rawar jiki, ƙwayoyin halitta/ƙwayoyin halitta suna karo da ƙwayoyin halitta/ƙwayoyin halitta maƙwabta, wanda ke sa ƙwayoyin halitta/ƙwayoyin halitta su yi rawar jiki sosai kuma su sami ƙarin kuzari. Wannan tsari yana ci gaba har sai zafi ya kai ƙarshen ƙarfen da ake riƙewa.

Karin bayani