If the initial conditions for a system are inherently zero, what does it physically mean?
A. The system is at rest but stores energy
B. The system is working but does not store energy
C. The system is at rest or no energy is stored in any of its parts
D. The system is working with zero reference input
Answer: Option C
In root locus analysis the breakaway and break in points
A. lie on the real axis
B. Either lie on the real axis or occur in complex conjugate pairs
C. Always occur in complex conjugate pairs
D. None of the above
Which of the following features is not associated with Nichols chart?
A. (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)
B. It is symmetric about -180°
C. M loci are centred about (0 dB, -180°) point
D. The frequency at intersection of G (j$$\omega $$) locus and M = +3 dB locus gives bandwidth of closed loop system

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