Answer
$$ 13.7~mV$$
Work Step by Step
We use the given decay formula:
$$E=E_oe^{-t/(RC)}$$
By substitution, we have
$$E=E_oe^{-t/(RC)}=25e^{-0.5/(1.85\cdot 0.450)} \approx 13.7~mV$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Appendix B - Exponential Equations - Exercise - Page 577: 28
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