Nyob hauv cheeb tsam uas muaj hluav taws xob tas li, hluav taws xob yog xoom yog li tsis muaj nqi hauv cheeb tsam.
Dab tsi yog qhov hluav taws xob hauv cheeb tsam uas muaj peev xwm tas li?
Nyob hauv thaj tsam ntawm qhov muaj peev xwm tsis tu ncua (V=qhov tsis tu ncua), E=-dVdr=0, piv txwv li, hluav taws xob yog xoom. Raws li E=0, tsis tuaj yeem them nqi hauv cheeb tsam.
Yuav ua li cas tas mus li?
Txog rau koj cov lus nug tshwj xeeb, yog tias qhov hluav taws xob tsis tu ncua, ces txoj kab nqes ntawm lub peev xwm yog qhov tsis tu ncua uas txhais tau tias uas lub peev xwm hloov pauv Yog tias muaj peev xwm tsis tu ncua, ces txoj kab nqes ntawm lub peev xwm yog xoom, uas txhais tau hais tias hluav taws xob teb yog xoom.
Lub kaum sab xis ntawm hluav taws xob thiab qhov chaw sib txuas yog dab tsi?
Lub kaum sab xis ntawm qhov hluav taws xob thiab qhov chaw sib npaug yog ib txwm 90 0. Lub equipotential nto yog ib txwm perpendicular rau hluav taws xob teb.
Qhov twg ntawm nqe lus hauv qab no yog qhov tseeb electrostatic quab yuam yog lub zog txuag?
Electrostatic quab yuam yog lub zog txuag. Muaj peev xwm ntawm qhov taw tes yog qhov ua tiav ib chav them nqi hauv kev coj tus nqi los ntawm txhua qhov taw tes mus rau qhov kawg. Electrostatic quab yuam yog tsis-conservative. Muaj peev xwm yog qhov khoom ntawm tus nqi thiab ua haujlwm.
