1.

A unity feedback system has open loop transfer function The closed loop transfer function is

A. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/14-57-1.png">
B. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/14-57-2.png">
C. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/14-57-3.png">
D. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/14-57-4.png">
Answer» C. <img src="/_files/images/electronics-and-communication-engineering/automatic-control-systems/14-57-3.png">


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