What is a complete circuit?
What is a power cord?
Can you tell me about parallel and series circuits?
What is electricity?
How does a dimmer switch work?
What are "currents"?
What is a slot car?
What are resistors?
How can birds sit on power lines without getting electrocuted?
What are semiconductors?
How does a traffic light work?
What is an electrode?
Here are some questions about this topic.
Click the question to read the answer!
Ask another question about this topic!
See a Full List of Topics
© 1999–2014 BrainPOP and related companies. All rights reserved.
BrainPOP is a registered trademark of FWD Media Inc. d/b/a BrainPOP.
For the full list of trademarks referenced on this page, please see
. Your use of the site indicates your agreement to
be bound by our