College Physics (7th Edition)

by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo

Published by Pearson

ISBN 10: 0-32160-183-1

ISBN 13: 978-0-32160-183-4

Chapter 17 - Electric Current and Resistance - Learning Path Questions and Exercises - Exercises - Page 619: 17

Answer

$1Volt$

Work Step by Step

An ideal battery (no significant internal resistance) will have to produce a terminal voltage of $V=IR=0.5\times 2=1V$ to produce a current of 0.5A through a 2Ohm resistor.

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