University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 30 - Inductance - Problems - Exercises - Page 1014: 30.29


15.3 V.

Work Step by Step

Closing S1 while S2 is open connects the RL combination in series with the emf source. Apply Kirchhoff’s loop rule: $\epsilon-iR-L\frac{di}{dt}=0$. $$iR=v_{ab}=\epsilon -L\frac{di}{dt}=18.0V-(0.380H)(7.20A/s)=15.3V$$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.