How do amplifiers work?

Related questions

1. Which transistor is used as amplifier?
2. Why do Class B amplifiers have high efficiency?
3. What uses a temperature sensor?
4. How do you measure heart rate with a sensor?
5. Why we call IC 741?
6. What is class ABCD amplifiers?
7. What is gain in audio?
8. What is pulse rate sensor?
9. What is a temperature sensor?
10. What is meant by offset null in IC 741?

Tags

1. #power
2. #delivered
3. #principle
4. #works
5. #drawn
6. #basic
7. #signal
8. #amplifier
9. #voltage
10. #converting
11. #supply