The force between two charges is 120 N. If the distance between the charges is doubled, what happens to the force ?
Answer & explanation
Correct answer: option 4
F = kq1q2/r2 = 120 N
if r is doubled, F becomes 30 N = 1/4 of F
The force between two charges is 120 N. If the distance between the charges is doubled, what happens to the force ?
Correct answer: option 4
F = kq1q2/r2 = 120 N
if r is doubled, F becomes 30 N = 1/4 of F