1. 1
2.
3. s
4.
s
1.
2. 3
3.
4. 6
1. 1.5
2. 2.0
3. 3.0
4. 4.0
2.0
1. 900
2. 600
3. 450
4. 300
300
1. 1 and 3 are correct
2. 1 and 2 are correct
3. 2 and 4 are correct
4. 3 and 4 are correct
2 and 4 are correct
1. 0
2. -1
3. 1
4. None of these
-1
1. 1
2. 2
3. 1/2
4. 3/2
1/2
1. Both gain and phase margins of the two systems will be identical
2. Both gain and phase margins of G(s)H(s) will be more
3. Gain margins of the two systems are the but phase margin of G(s)H(s) will be more
4. Phase margins of the two systems are the most but gain margin of G(s)H(s) will be less
Gain margins of the two systems are the but phase margin of G(s)H(s) will be more
1. λσ
2. -λσ
3. |λ|σ
4. σ
|λ|σ
1. 3
2. 1/3
3. 2
4. None of these
1/3