1.

Identify the correct definition for phase Margin and Gain margin:

A. I. Gain margin is a factor by which the system gain can be increased to drive the system to the verse of instability.II. Phase margin is the additional phase lead at the gain cross over frequency to bring the system to verge of instability.
B. I. Gain margin is a factor by which the system gain can be increased to drive the system to the verse of instability.II. Phase margin is the additional phase lag at the gain cross over frequency to bring the system to verge of instability.
C. I. Gain margin is a factor by which the system gain can be decreased to drive the system to the verse of instability.II. Phase margin is the additional phase lead at the gain cross over frequency to bring the system to verge of instability.
D. I. Gain margin is a factor by which the system gain can be decreased to drive the system to the verse of instability.II. Phase margin is the additional phase lag at the gain cross over frequency to bring the system to verge of instability.
Answer» C. I. Gain margin is a factor by which the system gain can be decreased to drive the system to the verse of instability.II. Phase margin is the additional phase lead at the gain cross over frequency to bring the system to verge of instability.


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