You are here:

Electrical Engineering/How to represent back emf in an inductor.

Advertisement


Ben wrote at 2013-01-19 04:18:26
I can answer your question:

The coil is trying to maintain the current so the coil is acting as a voltage source (not acting as a passive device). So for voltage source, current coming out from (+) terminal; therefore bottom terminal will go positive. (think it is trying to source out current).


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.