Answer
$0.5$ amps
Work Step by Step
The batteries have a net emf of $6$ V (as they are in opposite directions), and the net resistance is $12$ ohms, as the resistors are in series, so by Ohm's law, the current must be $0.5$ amps = $6/12$.
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: 1a
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