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What is the advantage of a Lag-lead compensator?

158. What is the advantage of a Lag-lead compensator?

1. Whenever steady-state performance is required, the combination of these two may be used (lag-lead compensator).
2. Whenever a fast response is required, the combination of these two may be used (lag-lead compensator).
3. Whenever fast response and steady-state performance are required, the combination of these two may be used (lag-lead compensator).
4. Whenever fast response and steady-state performance are not required, the combination of these two may be used (lag-lead compensator).

Answer: C) Whenever fast response and steady-state performance are required, the combination of these two may be used (lag-lead compensator).

Explanation:

The advantage of a Lag-lead compensator is that whenever fast response and steady-state performance are required, the combination of these two may be used (lag-lead compensator).