Control Systems
If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?

 a < b, p >q
 a < b, p < q
 a > b, p > q
 a > b, p < q

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Control Systems
What is the full form of SPICE ?

  Simulated program with integrated circuit analysis.
 None of these.
 Sequential program with integrated circuit analysis.
 Stimulated program with integrated circuit arrangement.

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Control Systems
Find the conditions for the system to be stable?

 Gain margin is negative but phase margin is positive
 Gain margin and phase margins are negative
 Gain margin is positive but phase margin is negative
 Gain margin and phase margins are positive

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