Home › CBSE Class 12 (Science) › Physics › Electric Charges and Fields › If the distance between two point charges is dou…
If the distance between two point charges is doubled, the Coulomb force becomes what fraction?
AOne half
BOne eighth
COne quarter
DDouble
Answer & Solution
Correct answer: C. One quarter
Force varies as 1/r2, so doubling r reduces it to one quarter of the original value.
Related questions
Which law remains valid for moving charges, unlike Coulomb's law?Which extra assumption yields Coulomb's law from Gauss's law?Gauss's law is one of which set of fundamental equations?Who first formulated what is now called Gauss's law, in 1773?The zero field inside a charged shell confirms which feature of Coulomb's law?Outside a charged thin shell, the field acts as if the charge sat where?A uniformly charged thin spherical shell produces what field at points inside it?For a closed surface, which direction is taken for the area element vector?