To find
The correct option in the blanks
Step-by-step explanation
The electric force is given as
![F=k(qq^(\prime))/(r^2)](https://img.qammunity.org/2023/formulas/physics/college/hdkbkwlyk08iztj0kwv25tlpvzulicovz2.png)
Thus the force is directly proportional to the charges and inversely proportional to the square of the distance between them.
Conclusion
The correct option are
A. directly, inversely