Answer
$2$ $W$
Work Step by Step
The formula for power of a resistor is $I^2R$. Plugging in $I =0.5, R = 8$, we get a power dissipation of $2$ $W$
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: 1c
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