Cosider a regular cube with  positive point  charge + Q  in all corners  except  for  one  which
Channel: Doubtnut
Date: 2021-11-02

Cosider a regular cube with  positive point  charge + Q  in all corners  except  for  one  which  has  a negative point  chnarge  -Q .Let the distance  from  any corner  to the  centre of the  cube  be r. what is the  magitude  of elelctric fleld  at point  P the centre of the  cude ? `(K=(1)/(4pi epsilon _(0)))`img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/CP_JM_MT_08_E01_017_Q01.png" width="80