Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 24 - Gauss's Law - Exercises and Problems - Page 683: 10


$1 Nm^{2}/C$

Work Step by Step

Electric flux $\phi$ through any surface is given as: $ \phi= E.A=EAcos\theta$ Here, $\theta=\frac{\pi}{2}-30^{\circ}=\frac{\pi}{3}$ $E=200 N/C$, $A= 10\times 10cm^{2}=10^{-2}m^{2}$ Hence, $\phi=200 \times10^{-2}\times\frac{\pi}{3}$$=2\times\frac{1}{2}=1 Nm^{2}/C$
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