Electrical Engineering: Principles & Applications (6th Edition)

Published by Prentice Hall
ISBN 10: 0133116646
ISBN 13: 978-0-13311-664-9

Chapter 1 - 1.2 - Problems - Circuits, Currents, and Voltages: P1.15

Answer

$$v_{ba}=v=15V$$ $$i_{ba}=-i=3A$$ Since the voltage drop is in the same direction as the positive current flow, energy is being delivered to the element.
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