Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 6 - Section 6.7 - Formulas - Exercises - Page 255: 19


$$I=4\pi r^2E.$$

Work Step by Step

To solve the given equation for $I$, we multiply both sides by $4\pi r^2$ as follows $$4\pi r^2 E= \frac{I}{4\pi r^2}4\pi r^2\Longrightarrow I=4\pi r^2E.$$
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