SuperpositionHardQuestion 31418
Question
Electrostatic force is:
- AAlways attractive
- BAlways repulsive
- CAttractive between unlike, repulsive between like chargesCorrect
- DDepends on medium only
Correct answer
Attractive between unlike, repulsive between like charges
Explanation
Like charges repel, unlike charges attract. The sign of qq' in Coulomb's law determines direction.