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Electromagnetic TheoryCoulomb's Law

According to Coulomb’s law, the magnitude of force between two stationary point charges is proportional to?

  • AProduct of the charges and inversely proportional to the square of their separation
  • BSum of the charges and directly proportional to separation
  • CProduct of the charges and directly proportional to the square of separation
  • DDifference of the charges only
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Correct Answer: A. Product of the charges and inversely proportional to the square of their separation
Explanation: For point charges, F=(1/(4πε))|q1q2|/r².
Reference: Standard electromagnetic theory: coulomb's law
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