Video: Kirchhoff txoj cai thib ob ntawm hluav taws xob circuits yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kirchhoff cov hluav taws xob txoj cai ( 2nd Law ) hais tias cov sum ntawm tag nrho cov voltages nyob ib ncig ntawm ib tug kaw voj nyob rau hauv a Circuit Court yuav tsum sib npaug zos. Qhov no yog qhov tshwm sim ntawm kev txuag nqi thiab kev txuag hluav taws xob.
Tsis tas li ntawd, Kirchhoff txoj cai thib 2 yog dab tsi?
Kirchhoff cov Qhov hluav taws xob Txoj cai (KVL) yog Kirchhoff txoj cai thib ob uas cuam tshuam nrog kev txuag hluav taws xob nyob ib puag ncig txoj hauv kev kaw. Nws voltage txoj cai hais tias rau ib lub voj kaw series txoj kev algebraic sum ntawm tag nrho cov voltages nyob ib ncig ntawm ib lub voj kaw nyob rau hauv ib lub voj voog yog sib npaug rau xoom.
Kuj Paub, txoj cai ntawm hluav taws xob yog dab tsi? Qhov tseem ceeb tshaj plaws txoj cai hauv hluav taws xob yog ohm txoj cai lub V = IR. V yog rau voltage, uas txhais tau hais tias muaj peev xwm sib txawv ntawm ob tsub nqi. Hluav taws xob kev tiv thaiv, ntsuas hauv Ohms, yog qhov ntsuas ntawm qhov tam sim no repulsion hauv Circuit Court.
Ib yam li ntawd, Kirchhoff's 3 txoj cai yog dab tsi?
Kirchhoff's Laws yog: Cov khoom kub, kua los yog roj, nyob rau hauv siab, muab ib tug nruam spectrum. Cov roj kub kub nyob rau hauv qis qis ua rau lub teeb ci lossis emission kab spectrum. Ib txoj kab tsaus ntuj lossis cov kab nqus nqus spectrum pom thaum lub hauv paus ntawm ib qho kev txuas ntxiv mus saib tom qab cov roj txias hauv qab siab.
Kvl formula yog dab tsi?
Kirchhoffs Voltage Law los yog KVL , hais tias "nyob rau hauv ib lub voj kaw kaw, tag nrho qhov hluav taws xob nyob ib ncig ntawm lub voj yog sib npaug rau cov lej ntawm tag nrho cov hluav taws xob poob hauv tib lub voj" uas tseem sib npaug rau xoom. Hauv lwm lo lus, algebraic sum ntawm tag nrho cov voltages nyob rau hauv lub voj yuav tsum sib npaug zos rau xoom.
Pom zoo:
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Tus nqi zoo attracts tus nqi tsis zoo thiab ua rau lwm tus nqi zoo. Puas yog hluav taws xob them nqi hluav taws xob tsuas yog hluav taws xob lossis yog tus nqi ntawm tag nrho cov atoms? Cov nqi hluav taws xob yog cov cuab yeej ntawm tag nrho cov atoms