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Qhov formula ntawm ammeter yog dab tsi?
Qhov formula ntawm ammeter yog dab tsi?

Video: Qhov formula ntawm ammeter yog dab tsi?

Video: Qhov formula ntawm ammeter yog dab tsi?
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Anonim

Lub Ammeter nyeem tam sim no, yog li tam sim no = Voltage faib los ntawm Kev tiv thaiv.

Tsuas yog li ntawd, koj yuav pom qhov tam sim no hauv ammeter li cas?

Kev ntsuas tam sim no , koj yuav tsum txuas ob txoj hauv kev ntawm lub ammeter nyob rau hauv Circuit Court kom cov tam sim no ntws los ntawm ammeter . Hauv lwm lo lus, lub ammeter yuav tsum dhau los ua ib feem ntawm Circuit Court nws tus kheej. Tib txoj kev los ntsuas qhov tam sim no ntws los ntawm ib qho yooj yim Circuit Court yog ntxig rau koj ammeter rau hauv Circuit Court.

Ib sab saum toj, txhais li cas los ntawm 1 ampere? Ib ampere yog ib chav ntsuas ntawm tus nqi ntawm electron ntws los yog tam sim no nyob rau hauv ib tug hluav taws xob conductor. Ib ampere ntawm tam sim no sawv cev ib coulomb ntawm hluav taws xob nqi (6.24 x 1018 tus nqi thauj khoom) txav dhau los ntawm qhov tshwj xeeb hauv ib thib ob. Cov ampere muaj npe tom qab Andre Marie Ampere , Fabkis physicist (1775-1836).

Ib yam li ntawd, kuv yuav suav li cas tam sim no?

Ohms Txoj Cai thiab Lub Zog

  1. Txhawm rau nrhiav qhov Voltage, (V) [V = I x R] V (volts) = I (amps) x R (Ω)
  2. Txhawm rau nrhiav qhov tam sim no, (I) [I = V ÷ R] I (amps) = V (volts) ÷ R (Ω)
  3. Txhawm rau nrhiav qhov Resistance, (R) [R = V ÷ I] R (Ω) = V (volts) ÷ I (amps)
  4. Kom pom lub hwj chim (P) [P = V x I] P (watts) = V (volts) x I (amps)

Dab tsi yog qhov siv ammeter?

Ib ammeter (los ntawm Ampere Meter ) yog lub ntsuas ntsuas siv los ntsuas qhov tam sim no hauv Circuit Court. Cov hluav taws xob tam sim no ntsuas hauv amperes (A), yog li lub npe. Cov cuab yeej siv los ntsuas qhov me me tam sim no, nyob rau hauv milliampere lossis microampere ntau yam, raug xaiv los ua milliammeters lossis microammeters.

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