Consider the following statements. In a feedback control system, lead compensator 1. increases the margin of stability.

Question:

Consider the following statements.

In a feedback control system, lead compensator

1. increases the margin of stability.

2. speeds up transient response.

3. does not affect the system error constant.

Of these statements:
(a) 2 and 3 are correct
(b) 1 and 2 are correct
(c) 1 and 3 are correct
(d) 1, 2 and 3 are correct.