Practice MCAT Question - Q26 - Answer!
If the magnitude of the charge on two identical charged bodies is doubled, the electrostatic force between the bodies will be
A. doubled.
B. halved.
C. quadrupled.
D. unchanged.
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The correct answer is (C). From Coulomb’s law, F = k(qqq2)/r2, force is directly proportional to the product of the two charges q1 and q2. If both charges are doubled, their product is quadrupled and so is the electrostatic force.
