(a) Calculate the potential at a point  P due to a charge  of `4xx10^(-7) C` located  9 cm away.
Channel: Doubtnut
Date: 2020-08-16

(a) Calculate the potential at a point  P due to a charge  of `4xx10^(-7) C` located  9 cm away.  (b) Hence obtain the work done in bringing a charge  of `2xx10^(-9) C` from infinity to the point P. Does  the answer  depend  on the path along  which  the charge  is brought ?