Solved UPSC CDS/OTA Question
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Q · Current ElectricityMedium · 45s
Statement: Coulomb’s law describes the force between two point charges. Which expression correctly represents it? Option: 14
TopicCurrent Electricity
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Coulomb’s law: Electrostatic force is proportional to the product of charges and inversely proportional to the square of the distance.
14
Final Answer: Option A — F = k q₁q₂/r²
14