For the unit step response of second order system following statements are given:(A) Delay time is the time required for the response to reach 60% of the final value in first attempt(B) Settling time is the time required for the response to reach and stay within (2% or 5%) tolerance band of its final value(C) Delay time is the time required for the response to reach 50% of the final value in first attempt(D) Settling time is the time required for the response to reach and stay withing 15% of the final valueWhich of the above are correct?Choose the correct answer from the options given below:

For the unit step response of second order system following statements

1.	For the unit step response of second order system following statements are given:(A) Delay time is the time required for the response to reach 60% of the final value in first attempt(B) Settling time is the time required for the response to reach and stay within (2% or 5%) tolerance band of its final value(C) Delay time is the time required for the response to reach 50% of the final value in first attempt(D) Settling time is the time required for the response to reach and stay withing 15% of the final valueWhich of the above are correct?Choose the correct answer from the options given below:
A.	(A) and (B) only
B.	(B) and (C) only
C.	(C) and (D) only
D.	(A) and (D) only
Answer» C. (C) and (D) only

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