Answer
$q=37\mu$C
Work Step by Step
We know that
$q=4\pi r^2{\sigma}$
Putting the values, we get
$q=4\pi(\frac{1.2}{2})^2(8.1\times10^{-6})$
$q=3.7\times10^{-5}=37\times10^{-1}\times10^{-5}=37\times10^{-6}$
$q=37\mu$C
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 23 - Gauss' Law - Problems - Page 680: 17a
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