What does “Coulomb's law” actually mean in Electrostatics, and why does it matter for NEET?
the force between two point charges, F = kq₁q₂/r², along the line joining them.
In simple words: the force between two point charges, F = kq₁q₂/r², along the line joining them. Getting Coulomb's law clear matters because NEET questions on Electrostatics usually test this idea directly, not just a formula you memorised.
Key point
Coulomb's law
Common mistake
ignoring that like charges repel and unlike attract when assigning direction.
Memory tip
it mirrors gravitation but can be attractive OR repulsive.
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