Assertion- For a point charge potential V=kQ/r is applicable for Q>0 &Q<0
Reason- for Q < 0, the force on a unit positive test charge is attractive
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A.
C) A is true but R is false.
D) A is false and R is also false.