Answer
$$I=4\pi r^2E.$$
Work Step by Step
To solve the given equation for $I$, we multiply both sides by $4\pi r^2$ as follows
$$4\pi r^2 E= \frac{I}{4\pi r^2}4\pi r^2\Longrightarrow I=4\pi r^2E.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 6 - Section 6.7 - Formulas - Exercises - Page 255: 19
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