You are here:

Electrical Engineering/How much of a current would be produced

Advertisement


Question
If I have a copper tube that is only 4mm diameter and about 1 inch long with a magnet inside (cylinder shaped and 3mm diameter) how much of a current could it produce when shaken. I know a copper tube wouldn't allow an individual circuit to be driven but I would imagine it would radiate some type of eddy current, just don't know in what range. Just trying to get a ball park idea. I would assume it would be in the low millivolt range.

Answer
This video on Lentz law may help.

http://video.mit.edu/watch/physics-demo-lenzs-law-with-copper-pipe-10268/

THere are other such utubes that give some idea of the copper pipe phenomenon but as to your specific question I cannot give you an idea but, alas, for such a small tube and a magnetic of unknown field strength the current conduction and voltage produced would be in the micro area; in my opinion.

Hope this helps.  

Electrical Engineering

All Answers


Answers by Expert:


Ask Experts

Volunteer


cleggsan

Expertise

All technical areas of Electronics Engineering.

Experience

BSEE, MBA, Design, R&D, University Research.
Senior Life Member of IEEE. Life Fellow of AES.

Organizations
IEEE, Consumer Electronics Society, Audio Engineering Society.
Broad teaching experience; work experience mostly in consumer electronics and conversion from analog to digital technologies. Pioneer in digital audio at all levels.

Education/Credentials
BSEE (Equiv) BYU BSEE University of North Dakota MSBA (MBA) Illinois State University Graduate Studies in Computer Science - Bradley University Graduate Studies - Ohio University Graduate Studies - University of Missouri Kansas City DeVry Tech - Electronics

©2016 About.com. All rights reserved.