In coulomb's law force of attraction or repulsion between two charge

1.	In coulomb's law force of attraction or repulsion between two charges is
A.	inversely proportional to charges
B.	directly proportional to product of charges
C.	directly proportional to square of distance between them
D.	Inversely proportional to distance between them
Answer» C. directly proportional to square of distance between them

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In coulomb's law force of attraction or repulsion between two charges is