Which one of the following is a semiconductor device that is used to increase the power of the incoming signals by preserving the shape of the original signal?
Q1. Which one of the following is a semiconductor device that is used to increase the power of the incoming signals by preserving the shape of the original signal?
Answer: Transistor
Explanation: A transistor amplifies incoming electrical signals while preserving the original signal's shape, making it the fundamental amplifying semiconductor device.