Video: Puas yog Ohm txoj cai muaj feem xyuam rau AC circuits?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ohm lawd hais tias tam sim no ncaj qha proportional rau qhov voltage thiab inversely proportional rau qhov tsis kam ntawm qhov kub thiab txias. Qhov no yog siv tau rau ob leeg AC thiab DC circuits . Fais fab mov yuav tsis nyob ntawd rau DC mov.
Ua raws li qhov no, Ohm Txoj Cai Lij Choj puas siv tau rau AC circuits?
Ohm txoj cai rau AC Circuits . Cov paub Ohm txoj cai daim duab peb sab siv rau DC circuits tsuas yog siv tau ntawm AC yog hais tias lub load yog purely resistive. Circuits muaj ob qho tib si inductors thiab capacitors, qhov voltage thiab tam sim no waveform yuav tsis nyob rau hauv theem tsuas yog nyob rau hauv resonance.
Kuj Paub, Ohm txoj cai siv nyob qhov twg? Kev piav qhia: Raws li cov Ohm txoj cai , yog siv tau tsuas yog rau conductors. Vim li no, Ohm txoj cai tsis yog siv tau nyob rau hauv cov ntaub ntawv ntawm insulators. Kev piav qhia: Drift velocity inversely propotional to area of material i.e, V = I/nAq.
Ib yam li ntawd, Ohm txoj cai lij choj hauv AC Circuit Court yog dab tsi?
Ohm txoj cai rau AC Circuit Court Lub load tam sim no kuv nyob rau hauv amps (A) yog sib npaug rau lub load voltage VZ= V hauv volts (V) muab faib los ntawm impedance Z hauv ohms ua (Ω): V yog qhov voltage poob ntawm qhov load, ntsuas hauv Volts (V) I yog qhov hluav taws xob tam sim no, ntsuas hauv Amps (A) Z yog qhov impedance ntawm load, ntsuas hauv Ohms (Ω)
Dab tsi yog 3 hom ntawm Ohm txoj cai?
hluav taws xob Circuit Court, tam sim no dhau los ntawm cov ntaub ntawv feem ntau yog ncaj qha proportional rau qhov sib txawv muaj peev xwm siv thoob plaws lawv. Fig. 3 -4: Daim duab voj voog los pab kom nco txog Ohm txoj cai cov qauv V = IR, I = V / R, thiab R = V / I. V yog ib txwm nyob saum.
Pom zoo:
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