Thaum kuv tso ntau yam resistors hauv koob?

Cov txheej txheem:

Thaum kuv tso ntau yam resistors hauv koob?
Thaum kuv tso ntau yam resistors hauv koob?
Anonim

Koj tuaj yeem tso ntau dua ob lub resistors hauv koob yog tias koj xav tau. Koj cia li ntxiv tag nrho cov kev tawm tsam kom tau txais tag nrho cov nqi tiv thaiv. Piv txwv li, yog tias koj xav tau 1, 800 Ω ntawm qhov tsis kam, koj tuaj yeem siv 1 kΩ resistor thiab yim 100 Ω resistors hauv series. Ntawm no, ob lub voj voog muaj qhov tsis sib xws.

Dab tsi ntxiv cov resistors hauv koob ua?

Ntxiv cov resistors hauv koob ib txwm nce tag nrho cov kev tawm tsam. Qhov tam sim no yuav tsum dhau los ntawm txhua tus resistor nyob rau hauv lem yog li ntxiv ib qho ntxiv resistor ntxiv rau qhov kev tawm tsam twb tau ntsib.

Yuav ua li cas thaum koj ntxiv kev tiv thaiv ntau dua rau cov kab hluav taws xob?

Nyob rau hauv ib lub voj voog, ntxiv ntau resistors nce tag nrho cov tsis kam thiab yog li txo qis tam sim no. Tab sis qhov opposite yog muaj tseeb nyob rau hauv ib tug parallel circuit vim hais tias ntxiv ntau resistors nyob rau hauv parallel tsim ntau xaiv thiab txo tag nrho cov kuj. Yog tias tib lub roj teeb txuas nrog cov resistors, tam sim no yuav nce.

Koj pom li cas tag nrho cov kev tawm tsam rau ib lub voj voog uas muaj ntau lub loads hauv series?

Nyob rau hauv ib lub voj voog koj yuav tsum xam tag nrho cov kev tawm tsam ntawm lub voj voog txhawm rau txheeb xyuas qhov amperage. Qhov no yog ua los ntawm ntxiv rau tus kheej qhov tseem ceeb ntawm txhua yam hauv koob.

…:

  1. RT=R1 + R2 + R3.
  2. 2 + 2 + 3=7 Ohms.
  3. R tag nrho yog 7 Ohms.

Yuav ua li cas thaum ntxiv cov resistors ntxiv?

Cov lus teb: Raws li ntau thiab ntau cov resistors ntxiv nyob rau hauv parallel rau ib lub voj voog, qhov sib npaug ntawm qhov hluav taws xob txo qis thiab tag nrho cov tam sim no ntawm lub voj voog nce. Ntxiv cov resistors nyob rau hauv parallel yog sib npaug rau muab ntau ceg los ntawm cov nqi yuav ntws.

Pom zoo:

Nthuav cov khoom
Koj puas tuaj yeem mus ntsib dagestan?
Nyeem ntxiv

Koj puas tuaj yeem mus ntsib dagestan?

Dagestan, officially lub koom pheej ntawm Dagestan yog ib lub koom pheej ntawm Russia nyob rau hauv lub Caspian Hiav txwv, nyob rau hauv lub North Caucasus ntawm Eastern Europe. Nws nyob rau sab qaum teb ntawm Greater Caucasus, thiab yog ib feem ntawm North Caucasian Federal District.

Xab npum suds siv rau dab tsi?
Nyeem ntxiv

Xab npum suds siv rau dab tsi?

A xab npum suds enema yog ib txoj hauv kev kho cem quav. Qee tus neeg kuj siv nws los kho fecal incontinence lossis tshem lawv cov quav ua ntej kev kho mob. Thaum muaj ntau hom enemas, xab npum suds enema tseem yog ib qho ntawm ntau hom, tshwj xeeb tshaj yog rau cem quav.

Puas yog qhov kev xeem thib ob?
Nyeem ntxiv

Puas yog qhov kev xeem thib ob?

Qhov thib ob derivative yuav yog siv los txiav txim siab hauv zos extrema ntawm kev ua haujlwm raws li qee yam xwm txheej. Yog tias qhov kev ua haujlwm muaj qhov tseem ceeb rau qhov twg f′(x)=0 thiab qhov thib ob derivative yog qhov zoo ntawm qhov no, ces f muaj qhov tsawg kawg nkaus hauv zos ntawm no.