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