Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 21 - Electromagnetic Induction and Faraday's Law - Problems - Page 622: 57

Answer

16k $\Omega$ $1.47\times10^{-2}A$

Work Step by Step

Find the answer using equation 21–11b, which gives the reactance of an inductor. $$X_L=2 \pi f L$$ $$=2 \pi (10.0\times10^3Hz)(0.260H)=16k\Omega$$ Find the current using Ohm’s Law. $$I=\frac{V}{X_L}$$ $$I=\frac{240V}{2 \pi (10.0\times10^3Hz)(0.260H)}=1.47\times10^{-2}A$$
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