Cov txheej txheem:

Ohm nyeem ntawv yog dab tsi?
Ohm nyeem ntawv yog dab tsi?

Video: Ohm nyeem ntawv yog dab tsi?

Video: Ohm nyeem ntawv yog dab tsi?
Video: Laib laus - txhob nco (Remix DJ Xim vaj ) 2024, Tej zaum
Anonim

Lub ohmmeter yog ib qho khoom siv hluav taws xob uas ntsuas kev tiv thaiv hauv cov khoom siv hluav taws xob lossis hluav taws xob. Nws ua hauj lwm los ntawm kev siv 2 probes xa ib tug tam sim no los ntawm Circuit Court thiab ntsuas npaum li cas kuj, nyob rau hauv ohms ua , uas tam sim no ntsib.

Cov lus nug tseem yog, koj siv ohm nyeem ntawv li cas?

Yuav Siv Lub Ohmmeter li cas

  1. Tshem tawm tag nrho thiab / lossis kaw tag nrho lub zog rau lub voj voog uas koj tab tom sim.
  2. Txuas cov kab ntsuas mus rau ohmmeter.
  3. Nrog rau daim ntawv qhia kev pabcuam rau qhov kev ua haujlwm ib txwm muaj rau lub voj voog uas koj tab tom sim.
  4. Teem lub xov tooj mus rau "ohms (Ω)" teeb tsa nrog multimeter.

Tsis tas li ntawd, qhov kev nyeem ntawv siab ohm txhais li cas? Siab dua tus lej qhia a siab dua rating, qho txhais tau tias ntau lub zog yuav tsum tau ua kom sib xyaw ua ke hauv ib lub voj voog. Thaum koj xeem lub resistor, capacitor, lossis lwm yam khoom siv hluav taws xob, ohmmeter yuav tso saib tus lej qhia nws tsis kam.

Hais txog qhov no, nyeem ntawv ntawm 0 ohms txhais li cas?

Kuj ntsuas nyob rau hauv ohms ua nrog tsis muaj tam sim no ntws los ntawm Circuit Court. Nws qhia tias xoom ohms ua thaum tsis muaj kev tawm tsam ntawm cov ntsiab lus xeem. Qhov no qhia tau hais tias kev txuas ntxiv ntawm cov dej ntws tam sim no hauv lub kaw lus kaw. Nws qhia tias infinity thaum tsis muaj kev sib txuas hauv Circuit Court uas zoo li nyob rau hauv ib qho qhib Circuit Court.

Cov cim txhais li cas ntawm multimeter?

Yog hais tias koj yuav tsum ntsuas alternating tam sim no nyob rau hauv ib tug Circuit Court, txawv multimeters muaj qhov sib txawv cim ntsuas nws (thiab qhov sib thooj voltage), feem ntau yog "ACA" thiab "ACV," lossis "A" thiab "V" nrog ib kab squiggly (~) nyob ib sab los yog siab dua lawv.

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