Control Systems
To achieve the optimum transient response, the indicating instruments are so designed as to

 provide damping which is slightly less than the critical value.
 be critically damped.
 be undamped.
 provide damping which is slightly more than the critical value.

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

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

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