Answer
$12 eV$
Work Step by Step
The definition of an electron-volt is the energy gained by passing an electron through a 1 $V$ potential, so the answer is $12 eV$.
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 27 - Circuits - Problems - Page 795: 9a
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