You place two charges a distance r apart. Then you double each charge and double the distance between the charges. How does the force between the two charges change?

a) The new force is twice as large.
b) The new force is half as large.
c) The new force is four times as large.
d) The new force is four times smaller.
e) The new force is the same.

I picked e). Is this the correct answer. If not, what is the right answer and why? Thank you in advance for your help.

2 answers

e) The new force is the same.

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