Question

Five charges q' each are placed at the corners of a regular pentagon of side a'. (i). What will be the electric field at o, the centre of the pentagon? (ii).What will be the electric field at o if the charge from one of corners (say

a.Is removed? (iii). What will be the electric field at o if the charge q' at a is replaced by -q'. (iv).How would your answer to (i) be affected if pentagon is replaced by n-sided regular polygon with charge q' at each of its corners?

Answer 1

Five charges q' each are placed at the corners of a regular pentagon of side a'. (i). What will be the electric field at o, the centre of the pentagon? (ii).What will be the electric field at o if the charge from one of corners (say