Why feedback is used in op amp?

Related questions

1. How does negative feedback work in op amps?
2. Why is IC timer called 555?
3. What is lm358 used for?
4. What happens when a resistor goes bad?
5. Where is op amp used?
6. How does a Schmitt trigger work?
7. Why negative feedback is used in amplifiers?
8. Does higher voltage mean higher current?
9. Is transistor A linear device?
10. Are amplifiers AC or DC?

Tags

1. #voltage
2. #amplification
3. #little
4. #infinite
5. #inverting
6. #notice
7. #electronics
8. #provided
9. #amplifier
10. #follower
11. #circuit
12. #cancels
13. #actual
14. #analog
15. #enough
16. #factor
17. #opamp
18. #ideal
19. #feedback
20. #limit