1. 2
2. 2π
3. 4
4. 4π
4π
1. h [n] = {1,0,0,1}
2. h [n] = {1,0,1}
3. h [n] = {1,1,1,1}
4. h [n] = {1,1,1}
h [n] = {1,1,1,1}
1. 4Ω
2. 6Ω
3. 8Ω
4. 18Ω
6Ω
1.
2.
3.
4.
1. R = R2R3/R4, L = C4R2R3
2. L= R2R3/R4, R= C4R2R3
3. R = R4/R2R3, L = 1 (C4R2R3)
4. L = R4/R2R3, R = 1/ (C4R2R3)
R = R2R3/R4, L = C4R2R3
1.
2.
3.
4.
1. stable and controllable
2. stable but uncontrollable
3. unstable but controllable
4. unstable and uncontrollable
unstable but controllable
1. Its roots are always real
2. It cannot have a breakaway point in the range -1 < Re[s] < 0
3. Two of its roots tend to infinity along the asymptotes Re[s] = -1
4. It may have complex roots in the right half plane is
Two of its roots tend to infinity along the asymptotes Re[s] = -1
1. Both machines act as generators
2. The dc machine acts as a generator, and the induction machine acts as a motor
3. The dc machine acts as a motor, and the induction machine acts as a generator
4. Both machines act as motors
The dc machine acts as a motor, and the induction machine acts as a generator
1. (3+j0)Ω
2. (0.866-j0.5)Ω
3. (0.866+j0.5)Ω
4. (1+j0)Ω
(1+j0)Ω