Assertion: `E` in outside vicinity of a conductor depends only on the local charge density a and it is independent of the other charges present anywhere on the conductor.
Reason: `E` in outside vicinity of a conductor is given by `(2sigma)/(epsilon_0)`.
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.