Two charges separated by 1 m exert a 1-N force on each other. If the magnitude of each charge is doubled, the force on each charge will be
A)1 N.
B)2 N.
C)4 N.
D)8 N.
E)none of the above

Question

Quizplus · Accepted Answer

According to Coulomb's Law, the force between two charges is directly proportional to the product of their magnitudes and inversely proportional to the square of the distance between them. If the magnitude of each charge is doubled, the force between them will increase by a factor of 4 (2 squared). Therefore, each charge will experience a force of 4 N, leading to a total force of 8 N. Choice C is the correct answer.

Two Charges Separated by 1 M Exert a 1-N Force