Answer
$i=8.33\times10^7 A$
Work Step by Step
We know that
$i=JA$
$i=J\pi{R_E^2}$
We plug in the known values to obtain:
$i=6.54\times10^{-7}\times3.1416\times(6.37\times10^6)^2$
$i=8.33\times10^7 A$
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 26 - Current and Resistance - Problems - Page 766: 12b
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