Vim li cas thiaj yuav tsum tau them nqi kuaj mob me me? Teb: Qhov loj ntawm qhov ntsuas tus nqi yuav tsum yog me me kom nws tsis cuam tshuam qhov kev faib tawm ntawm tus nqi nws qhov hluav taws xob peb xav ntsuas qhov txwv tsis pub ntsuas qhov ntsuas yuav txawv ntawm qhov tseeb teb.
Yuav ntsuas tus nqi dab tsi yuav tsum yog nws qhov loj?
A Test Charge yog ib qho kev xav hauv kev tsim qauv siv los kos duab hluav taws xob. Nws nqa tus nqi tsis kawg ntawm tus nqi zoo Txij li nws muaj tus nqi tsis kawg, nws tau ntsib tus nqi infinitesimal ntawm lub zog hauv qhov chaw hluav taws xob. Lub zog ntawm daim teb yog muab los ntawm E=F / q.
Vim li cas thiaj yuav tsum tau them nqi q hauv lub ntsiab lus ntawm qhov hluav taws xob yuav ploj mus me me?
Vim li cas thiaj yuav tsum tau them nqi q hauv lub ntsiab lus ntawm qhov hluav taws xob yuav ploj mus me me? Vim cov nqi tsim lawv cov teb, yog li lawv cuam tshuam rau sab nraud.
Tus nqi xeem yog dab tsi?
Tus nqi kuaj yog tus nqi zoo me me uas tau siv los kuaj pom qhov muaj hluav taws xobTus nqi ntsuas yuav tsum tsawg li sai tau kom nws tsis nyob cuam tshuam rau hluav taws xob teb vim qhov chaw them nqi. Tus nqi hluav taws xob uas tsim hluav taws xob yog hu ua qhov nqi.
Tus nqi tsawg kawg nkaus uas tuaj yeem muab rau lub cev yog dab tsi?
Ib lub cev tuaj yeem raug them tsawg kawg yog los ntawm kev rho tawm ib qho hluav taws xob lossis los ntawm kev sib ntxiv ntawm ib qho hluav taws xob ntau dhau. Tus nqi ntawm ib lub electron yog 1.6 × 10-19C. Unit of charge yog coulomb uas yog denoted li C. Yog tias ib qho hluav taws xob raug rho tawm ntawm lub cev, nws tau txais tus nqi qis kawg ntawm + 1.6 × 10−19C
