You are here:

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


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




All technical areas of Electronics Engineering.


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

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.

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 All rights reserved.