Question :
Consider the following statements:
1. The effect of feedback is to reduce the system error
2. Feedback increases the gain of the system in one frequency range but decreases in another.
3. Feedback can cause a system that is originally stable to become unstable
Which of these statements are correct.
1. 1,2 and 3
2. 1 and 2
3. 2 and 3
4. 1 and 3
Answer :
3 - 2 and 3
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