สนามไฟฟ, electric, field, อปร, มาณซ, งใช, บรรยายการท, ประจ, ไฟฟ, าทำให, เก, ดแรงกระทำก, บอน, ภาคม, ประจ, ภายในบร, เวณโดยรอบ, หน, วยของค, วต, นต, อค, ลอมบ, หร, อโวลต, อเมตร, าเท, าก, นประกอบข, นจากโฟตอนและม, พล, งงานไฟฟ, าเก, บอย, งขนาดของความหนาแน, นของพล, งงา. snamiffa electric field khuxprimansungichbrryaykarthipracuiffathaihekidaerngkrathakbxnuphakhmipracuphayinbriewnodyrxb hnwykhxngsnamiffakhux niwtntxkhulxmb hruxowlttxemtr mikhaethakn snamiffannprakxbkhuncakoftxnaelamiphlngnganiffaekbxyu sungkhnadkhxngkhwamhnaaennkhxngphlngngankhunkbkalngsxngkhxngkhwamhnaaennkhxngsnam inkrnikhxngiffasthit snamiffaprakxbkhuncakkaraelkepliynoftxnesmuxnrahwangxnuphakhmipracu swninkrnikhlunaemehlkiffann snamiffaepliynaeplngipphrxmkbsnamaemehlk odymikarihlkhxngphlngngancring aelaprakxbkhuncakoftxncringniyamaelathima aekikhniyamthangkhnitsastrkhxngsnamiffakahndiwdngni kdkhxngkhulxmb Coulomb s law klawwaaerngkratharahwangxnuphakhmipracusxngxnuphakh mikhaethakb F 1 4 p ϵ 0 q 1 q 2 r 2 r 1 displaystyle mathbf F frac 1 4 pi epsilon 0 frac q 1 q 2 r 2 mathbf hat r 1 emux ϵ 0 displaystyle epsilon 0 xanwa expsilxn nxth khux sphaphyxmkhxngsuyyakas sungepnkhakhngtwthangfisikstwhnung q 1 displaystyle q 1 aela q 2 displaystyle q 2 khux pracuiffakhxngxnuphakhaetlatw r displaystyle r khux rayathangrahwangxnuphakhthngsxng r displaystyle hat r khux ewketxrhnunghnwy sungchicakxnuphakhtwhnungipxiktwinrabbhnwyexsix hnwykhxngaerngkhux niwtn hnwykhxngpracukhuxkhulxmb hnwykhxngrayathangkhuxemtr dngnnϵ 0 displaystyle epsilon 0 mihnwyepn C2 N m2 khaniidhaidcakkarthdlxngodyimmithvsdikahndsmmutiwaxnuphakhtwhnungxyuning aelaxnuphakhxiktwepn pracuthdsxb caksmkardanbncaehnwaaerngkrathathiekidkhunbnpracuthdsxbnnaeprphntrngkbkhnadkhxngpracuthdsxb niyamkhxngsnamiffakhuxxtraswnkhngthirahwangkhnadkhxngpracuaelakhnadkhxngaerngthiekidkhun khux sutr F q E displaystyle mathbf F q mathbf E E 1 4 p ϵ 0 Q r 2 r displaystyle mathbf E frac 1 4 pi epsilon 0 frac Q r 2 mathbf hat r smkarniepncringechphaainkrniiffasthit khuxkrnithipracuimmikarekhluxnthi ethann thaphicarnakrnithwipsungpracumikarekhluxnthidwy smkardanbncatxngklayepnsmkarkhxnglxernskhunsmbti aekikhsmkarthi 1 aesdngihehnwasnamiffamikhakhunkbtaaehnng snamiffacakpracutwhnungcamikhaldlngeruxy n taaehnngthihangxxkcakpracunn odykhnadcaldlngepnxtraswnkhxngkalngsxngkhxngrayathangcaktwpracusnamiffaptibtitwtamhlkkarsxnthb nnkhux hakmipracuiffamakkwahnungtwinrabbaelw snamiffa n taaehnngid inrabbcamikhaethakbphlrwmaebbewketxrkhxngsnamiffasungekidcakpracuaetlatwediyw E t o t E 1 E 2 E 3 displaystyle E tot E 1 E 2 E 3 ldots hakerakhyayhlkkarniipsukrnithipracuiffamicanwnepnxnnt smkarcaklayepn E 1 4 p ϵ 0 r r 2 r d 3 r displaystyle mathbf E frac 1 4 pi epsilon 0 int frac rho r 2 mathbf hat r d 3 mathbf r emux r khuxkhwamhnaaennkhxngpracu hruxcanwnpracuiffatxhnwyprimatrsnamiffannmikhaethakbkhalbkhxng ekrediyntkhxngskyiffa E ϕ displaystyle mathbf E mathbf nabla phi duephim aekikhsmkarkhxngaemksewll khuxchudsmkarthismburnsahrbkarxthibaypraktkarnthiekiywkhxngkbsnamiffa thvsdiaemehlkiffa iffasthit aemehlk ekhathungcak https th wikipedia org w index php title snamiffa amp oldid 9348071, wikipedia, วิกิ หนังสือ, หนังสือ, ห้องสมุด,