Assertion (A): A derivative controller produces a control action for constant error only.Reason (R): The PD controller increases the damping and reduces the peak overshoot.

• A. tBoth assertion and reason are true and R is correct explanation of A
• B. tBoth A and R true but R is not correct explanation of A
• C. tA is true but R is false
• D. tA is False but R is true