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Wannan ƙaddara voltmeter? Na'ura for aunawa wani irin ƙarfin lantarki

Man, da nisa daga lantarki haihuwarka, irin ƙarfin lantarki, yanzu kuma juriya, da wuya iya nan da nan amsa tambaya: abin ƙaddara voltmeter? Saboda amsar da yake a bayyane yake, idan ka kawai karanta biyu da rabi na labarin take, bayyanãwa kadan more wannan topic. A musamman, la'akari da ji na danniya a rayuwar yau da kullum, cikin halaye na kayan aiki, da aiki da ka'ida.

definition

Voltmeter - wani ma'auni na'urar kyale kafin su sami ƙarfin lantarki ko electromotive karfi a sarkar na kai tsaye ko alternating halin yanzu. Na'ura kewayon iya mika har zuwa 1000 ko fiye. A duk ya dogara da manufar. Don fi gane abin da shi ne, mun yi la'akari da definition of electromotive karfi. Saboda sau da yawa sosai shi ne gauraye da irin ƙarfin lantarki a cikin cibiyar sadarwa, su ya kamata a rabu da juna.

EMF da kuma awon karfin wuta bambanci

Saboda haka, EMF - shi ne wani jiki yawa cewa characterizes aikin yi da wani maras lantarki sojojin a kan motsi guda tabbatacce cajin tare da na yanzu hanya. A cikin saba harka, ya nuna ikon da ikon source don ƙirƙirar wani musamman m bambanci a cikin biyu spaced baya da maki daga cikin sarkar. An auna matsayin ƙarfin lantarki a volts. Ya bambanta daga shi a cikin abin da shi na samar da wani tushe na ikon a rago, wato, ba tare da wani hanyar sadarwa.

Lokacin da kewaye yana da wani halin yanzu, watau, shi ne rufe, akwai wani, mafi saba ra'ayi na ji - ƙarfin lantarki. Haka kuma, shi iya dauka duka biyu da ikon samar a da tashoshi, da kuma, a wani bangare na sarkar. Awon karfin wuta ji ne ganewa na m bambanci tsakanin biyu spaced maki. Domin ikon source ne kullum da ɗan kasa da electromotive karfi, a lokacin da kunshe a cikin mabukaci kewaye. Da gaske, da kuma emf ƙarfin lantarki da kuma - wannan shi ne guda tare da bambanci kawai a cewa wani jiki tsari ya haifar da bayyanar da wani m bambanci tsakanin maki biyu a wadda ta ji an dauka.

iri voltmeters

Ga kamata mu bambanta biyu main iri: šaukuwa kuma gyarawa. Fir na'urar ga aunawa da irin ƙarfin lantarki ba zai iya kawai ja da hannu. Yawanci shi ya hada da aiki don dubawa da igiyoyin da kuma resistances a kewaye, kazalika da shugaba zafin jiki, da dai sauransu Tsit tsarin sau da yawa hade da fasali tare da cibiyar sadarwa, cikinsa da ji ne da za'ayi, misali, a cikin wutan rarraba allon, bangarori da dai sauransu

Game da rarrabuwa na da manufa na mataki, za mu iya bambanta da dama iri electromechanical voltmeters da kuma iri biyu electron. Last - shi ne analog da dijital. Electromechanical voltmeters amfani Magnetic hira tsarin for samun ƙarfin lantarki dabi'u. Na'urorin lantarki digitized da aka karža amfani da Dogarin. Voltmeter, dangane da bayanan misali na da manufa na nuna ko dai wani kira na sauri nuna alama ko a kan wani kwazo dijital nuni.

Wani rarrabuwa - a kan manufar. Yana ba ka damar raba na'urorin a kan mita AC da kuma DC kazalika da lokaci-m, m, kuma m. Domin da karshen ne samuwa kusan dukan gamut na siginar ƙarfin lantarki wanda wajibi ne don koyi.

Basic bayani dalla-dalla

Ya dogara da manufa na'urar. Alal misali, DC voltmeter yawanci yana da dama aunawa jeri, don haka su lambar shi ne daya daga cikin mafi muhimmanci bayani dalla-dalla. Bugu da kari, kusan dukkan na'urorin da wasu shigar impedance dangane, ba zato ba tsammani, a ranar har zuwa abin da gwajin kewaye ne da irin ƙarfin lantarki mãkirci.

Wani muhimmin halaye ne, ba shakka, wani kuskure, da kuma ƙuduri na sikelin ko da m mataki na karatu, a lokacin da magana game da dijital voltmeter. Idan mai amfani ya samu a duniya na'urar auna ƙarfin lantarki, za a iya kara zuwa sama canji a waje tare da wanda shi ne iya aiki, misali, yanzu, juriya, da yawan zafin jiki, da kuma jeri, da kuma mita kuskure sakonni ga canji.

manufa na aiki

Janar makirci na aiki na na'urar ne sosai dogara a kan aiwatar. Idan wannan ne electromechanical voltmeter yana da wani Magnetic tsarin, shi ne m zuwa yanzu kwarara. Dangane da girma, da kuma qara sabawa akan kibiyoyi mechanically guda biyu tare da kewaye firam ko wani abin da ake amfani da su maida yanzu a cikin kewaye. The daidaito daga irin wannan na'urorin ya ba mai girma, tun da shi ba da damar zuwa sami high dabi'u na shigar resistors, ya kuma inganta taimaka gagarumin murdiya gwargwado, tun a parasitic watsin da aka kara wa kewaye.

Common a 'yan shekarun nan a dijital voltmeters da manyan yawan gida lantarki karkashin kaho. Wannan shi ne saboda na yi hira da analogue siginar samar a shigar da tashoshi, a cikin wani digital form amfani da Dogarin. Wannan shi ne ainihin ban sha'awa, shi ne samuwa da yawa adabi a kan topic. Irin wannan voltmeter, farashin wanda dabam daga 'yan dari rubles, ba shakka, ba a yi nufin ya zama mai arziki selection na dama da kuma babban daidaito, duk da haka, shi ne iya cikakken auna ƙarfin lantarki a tashoshi na da mota baturi ko 220 V. hanyar sadarwa

Haɗa zuwa ga kewaye

A voltmeter kewaye da aka yaushe alaka layi daya to load ko ikon source, idan ya zama dole don auna electromotive karfi ko da m ƙarfin lantarki. Wannan shi ne dalilin da ya sa akwai tsananin bukatun ga shigar da juriya na na'ura, tun da irin wannan dangane da shi ya wallafasu bayyanar wani ƙarin madugu a cikin kewaye.

A cikin wani hali, kada ka haɗa da voltmeter, farashin wadda a kowane hanya shi ne babba, a cikin da'ira a jerin. In ba haka ba mai amfani gudanar da hadarin corny kuna naúrar, kuma ba da ciwon lokaci zuwa gano abubuwa ga wanda duk abin da aka fara. Idan har idan tsayawar wata dabbanci roko, da shaidarsa, ya kamata ba za a amince, saboda halin yanzu a cikin kewaye da aka jurewa manyan canje-canje a cikin wannan dangane da wani voltmeter, kuma turawa a cikin unknown damar koyi da ainihin irin ƙarfin lantarki a yankin wanda ma'aunai suna sanya.

Mu'amala da taka tsantsan

Tun da juriya na voltmeter a mafi yawan lokuta isasshe manyan da wayoyi zane, bi da bi, a yi amfani da layi daya, hadarin kamuwa da mai tsanani lantarki buga a cikin low irin ƙarfin lantarki kewaye shi ne kadan. Duk da haka, a lokacin da magana game da masana'antu na'urorin, musamman a cikin gyarawa version, shi ya shafi babban daukar dabi'u kamar yadda wani irin ƙarfin lantarki, kuma akwai yiwuwar ya igiyoyin. Saboda haka, dole ne akwai aminci a matakin qarshe, kuma ba tare da isasshen ilmi, roba safar hannu, mats da sauran dace wajen, ba shakka, duk wani aiki da aka contraindicated. Me ƙaddara voltmeter ne iya zama sosai a kawo hadari ga rayuwa, don haka muna bada shawara ba don riya rabo. A cikin wani hali a taba danda wayoyi, ko da idan low-ƙarfin lantarki kewaye, da definition, ba.

ƙarshe

Da yake amsa tambayoyi game da abin da ƙaddara voltmeter, za mu dubi a general sharuddan da tsarin, babban fasaha halaye, rarrabuwa. Hakika, wannan taƙaitaccen bayyani ba da'awar m cikawa, musamman a low yawa na asali sanin lantarki injiniya a karatu.

Summing up, ya kamata a lura da cewa a voltmeter matakan, ba shakka, da irin ƙarfin lantarki a kewaye rabo ga wanda yake da alaka a layi daya. In ba haka ba, da shaidarsa, zai zama unreliable, ba a ma maganar da hatsarin da zai yiwu asarar tsada kayan aiki. Mai karatu ya yi da hankali a lokacin da ta yin amfani da nema a gida, saboda lamba tare da high-ƙarfin lantarki kewaye yankunan shi ne kawo hadari ga rayuwa.

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