ETC EngineeringMCQs
Home › Electromagnetic Theory › Two point charges are kept unchanged while their separation is doubled. The electrostatic force magnitude becomes?
MCQ Practice Question
Electromagnetic TheoryCoulomb's Law

Two point charges are kept unchanged while their separation is doubled. The electrostatic force magnitude becomes?

  • ATwice
  • BHalf
  • COne-fourth
  • DFour times
Report an error
Correct Answer: C. One-fourth
Explanation: Coulomb force varies as 1/r², so doubling distance makes force one-fourth.
Reference: Standard electromagnetic theory: coulomb's law
Continue practicing: Electromagnetic Theory MCQs or browse all MCQs.