Assertion: In electrostatics, all charges whether free or bound are considered to be at rest.
Reason: The charges in motion constitute an electric current.
Options:
(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.