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Physics
Physics
Problem
The magnitude of the electrostatic force between two identical point charges is F when they are separated by a distance d. Which of the following gives the magnitude of the force when the separation is increased to 2d? a)
4
F
4F
4
F
b)
F
9
\dfrac{F}{9}
9
F
c)
F
4
\dfrac{F}{4}
4
F
d)
F
2
\dfrac{F}{2}
2
F
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