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Control systems miscellaneous
  1. Find the value of K for the given Bode plot–


    1. 80
    2. 40
    3. 20
    4. 10
Correct Option: A

Since there are 2 zeros at 0.
20 log ks2|s = 0.5 = 26
or
20 log ks2|s = 0.5 = 1026/20
or

K =
19.95
 =
19.95
 = 79.81 ≈ 80
s2(·25)2


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