Question

The force of repulsion between two identical charges each of
magnitude 3NC at seperation of 3Nm is,

Answer 1

Answer:

if we replace the space occupied by the die ethnic with his da =√x dm = da =√4d÷2=da =d

changes is d/2 +d=3/2

Hence,

F¹/f =d²/d² = d² . 4/9d² =4/9