A lag compensation network (i) increases the gain of the

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A lag compensation network
(i) increases the gain of the original network without affecting stability
(ii) reduces the steady state error
(iii) reduces the speed of response
(iv) permits the increase of gain if phase margin is acceptable. In the above, correct statements are—

1. All
2. (i) and (ii)
3. (ii), (iii) and (iv)
4. (iii) and (ii)

Correct Option: A

Refer synopsis