Coulomb's law gives the force between two point charges q₁ and q₂ sepa…

Question

Coulomb's law gives the force between two point charges q₁ and q₂ separated by distance r in vacuum as

Accepted Answer

A. {'text': 'F = k q₁ q₂ / r²', 'label': 'A'}

1. Coulomb's law is the fundamental inverse-square law for electric force.
2. F = k q₁ q₂ / r² where k = 1/(4πε₀) ≈ 9 × 10⁹ N m² C⁻².
3. The force is attractive for opposite charges, repulsive for like.
4. It acts along the line joining the two charges.
_Source: NCERT Class 12 Physics, Ch 1 "Electric Charges and Fields", §1.5_

Answer

{'text': 'F = k q₁ q₂ / r', 'label': 'B'}

Answer

{'text': 'F = k q₁ q₂ × r', 'label': 'C'}

Answer

{'text': 'F = k q₁ q₂ × r²', 'label': 'D'}