In terms of and n the settling time (5% criterion) of a second order system for a step input, is equal to

In terms of and n the settling time (5% criterion) of a second orde

1.	In terms of and n the settling time (5% criterion) of a second order system for a step input, is equal to
A.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/22-190-1.png">
B.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/22-190-2.png">
C.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/22-190-3.png">
D.	<img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/22-190-4.png">
Answer» D. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/22-190-4.png">