Assertion (A) A charge q is placed on a height h/4 above the centre of a square of side b. The flux associated with the square is independent of side length. Reason (R) Gauss’s law is independent of size of the Gaussian surface.

• A. If both Assertion and Reason are true and Reason is correct explanation of Assertion.
• B. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
• C. If Assertion is true but Reason is false
• D. If both Assertion and Reason are false.