Assertion: If a charged particle is projected in a region, where B is perpendicular to velocity of projection, then the net force acting on the particle is independent of its mass.
Reason: The particle is performing uniform circular motion and force acting on it is `(mv^2)/r`.
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.