Anonymous
Anonymous asked in Science & MathematicsPhysics · 8 months ago

magnitude of flux due to electric force?

A charge Q exerts a 12 N force on another charge q. If the distance between the charges is doubled, what is the magnitude of the electric force exerted on Q by q?

3N

6 N

9 N

12 N

15 N

2 Answers

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  • Anonymous
    8 months ago
    Favourite answer

    F' = F*d^2 / (2d)^2 = F/4 = 3 N

  • 8 months ago

    double the distance, the force is 1/4 (inverse square law)

    12/4 = 3 N

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