Tiêu đề Electrostatic potential Copy (2) Copy (3) Copy.pdf ✅

Electrostatic potential energy U Work done to move from A to B change in P.E Was AU Wap Up VA Next In this shapter we are taking infinity as our reference ie U at a 0 For two point charges a unit J g 91,1 scalar
For system of sharges 93 Utotal V12 V23 V31 9 q Qn calculate the potential in L 1mg energy of the system 2 0 Ans U V12 V13 V23 9 t If 5 12
Electrostatic potential V Electric potential at a point V unit Volt scalar electrostatic potential energy U qV work done by ext forie W V2 U q V2 Vi V2 V DV potential difference or Voltage let 1.6 1595 potential of point depends on reference point potential difference is independent of reference point
an An x particle accelerated from test through a potential difference volts final speed m massof α particle In E f Im Ans Next Kf ki 9 2e q V2 VI Kf 0 2e V mu Qn A proton kept at 100N electric potential energy i 200N 2 50eV 3 150eV 4 100er Ans U qV ex 1001 V