Logging in (or registering) will help the system to select questions that you need to focus on.

T6D02

What best describes a relay?

Select	Answer
A	A current controlled amplifier
B	A switch controlled by an electromagnet
C	A pass transistor
D	An optical sensor

---

Hamboozler: Copyright 2007 Four Batons Technology. All rights reserved.
By continuing to use this site, you are agreeing to the Privacy Policy and Terms of Service.
Contact Us