Transistors are used to amplify low-level signals into higher-level signals and to ____?
A) divide voltage
B) permit current to only flow in one direction
C) control air brakes
D) act as an electronic switch similar to a relay

Question

Quizplus · Accepted Answer

Transistors can act as electronic switches, allowing them to control the flow of current in a circuit, similar to how a relay operates.

Transistors Are Used to Amplify Low-Level Signals into Higher-Level Signals