If the distance between the charges doubles, the coulomb's force between the charges _____?

اگر چارجز کے درمیان فاصلہ دوگنا ہوجاتا ہے تو ، چارجز کے درمیان کولمب کی طاقت _____؟
Answer: One-fourth
Explanation
  • According to Coulomb’s Law, the electrostatic force FF is inversely proportional to the square of the distance between the charges:
    F1r2F propto frac{1}{r^2}
  • If the distance doubles (r2rr to 2r), the force reduces to one-fourth of its original value:
    F=F4F' = frac{F}{4}.
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