(A) J.J Thomson
(B) Wander wall
(C) Coulomb
(D) Faraday
🧠 Explanation:
- Charles-Augustin de Coulomb is known for discovering the law of electrostatic attraction and repulsion.
- He formulated Coulomb’s Law, which quantifies the force between two electrically charged particles.
- His experiments laid the foundation for classical electrostatics and influenced later work in electricity.
- The unit of electric charge, “coulomb,” is named in his honor to recognize his contributions.