SamuwarKimiyya

Operation na lantarki halin yanzu: general halaye, da dabara na m muhimmancin

Hakika na kimiyyar lissafi an san cewa daya daga cikin halaye na wani jiki ne da ikon yi aikin, tun da karshen ne ba kawai hira da daya nau'i na makamashi a cikin wani (msl, m to sanadin motsi). Ya kamata ya yi la'akari da sanannun dokokin kiyayewa da makamashi, tsara a cikin XVIII karni MV Lomonosov, bisa ga abin da makamashi ne ba, kuma ba vuya, shi kawai ya canjãwa, da daukan daban-daban form. Duk na sama shafi daidai ba ne kawai don daskararru, amma kuma ga sauran iri al'amari, ciki har da zuwa wutar lantarki.

A lantarki halin yanzu, kamar yadda ya dade da tabbatar da - shi ne mai directed motsi na cajin barbashi. Motsi a kan wani takamaiman kewaye rabo, da barbashi samar da wani lantarki filin, abin da ya sa aikin. Operation na lantarki yanzu - shi ne adadin makamashi da cewa dole ne a ciyar da su matsa cajin wannan kewaye. A wannan yanayin, ba duk na yanzu aiki ne da amfani da kuma tasiri. Isar appreciable ɓangare na samar da makamashi ciyar a kan wani abu to cin nasara da juriya da wutar lantarki na firamare barbashi a cikin shugaba kewaye da Madogararsa.

Aiki na da lantarki, da dabara na wanda, kamar haka daga sama ba da rubutu, A = U • Q, abu ne mai muhimmanci halayyar wannan musamman irin al'amari. A wannan dabara, U ne da yuwuwar bambancin (ƙarfin lantarki) a kan sarkar rabo, kuma Q - gwada yawa magana cajin hawa a kan wannan rabo.

Duk da haka, aikin da kanta na lantarki halin yanzu zai zama na musamman sha'awa, idan akwai aka iske ba a, abin kõyi, haxe da wannan aiki da kuma adadin saki ta wannan thermal makamashi. Wannan abin kwaikwaya kusan lokaci guda bude biyu sanannun likita - Lenz da Jody Prescott, saboda haka, dokar a cikin kimiyya al'umma samu da sunan "Joule ta dokar." A cewar wannan dokar, shi dai itace cewa adadin (ko iko) zafi saki a tsare girma a lokacin da ya kwarara therethrough na cajin barbashi ne mai kai tsaye aiki na samfur na filin ƙarfi a kan yawa sunã gudãna da aiki rabo daga lantarki a halin yanzu. Wannan dokar ne na bayar da muhimmanci ga lissafi na wutar lantarki hasarori a lokacin watsa ta hanyar wayoyi a kan babban nisa.

Aiki na da lantarki da aka kai tsaye alaka zuwa wani muhimmanci darajar - fitarwa. A karkashin halin yanzu ikon fahimtar da kimiyyar lissafi da kuma gwada yawa halayyar tana mayar da wani lantarki da makamashi watsa rates. Ikon da aka auna a kilowatt-hours, yayin da aiki na lantarki yanzu - a joules.

Domin iyakar halin yanzu iko daga wani musamman tushen dole ne ya yi la'akari da halaye na tushen, da kuma cewa juriya ciki dole ne jituwa tare da juna da kuma na waje kewaye, in ba haka ba duk aikin samar da ke cin nasara da bambanci a cikin resistances.

Aiki na da lantarki ne mai muhimmanci jiki halayyar abin da ya kamata a yi la'akari a cikin kusan dukkan sassa na masana'antu da kuma a samar da kuma watsa makamashi a tsawon nisa.

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