#### Answer

$72$ amperes

#### Work Step by Step

$I=\frac{V}{R}$
$I=40; R=270$
$40=\frac{V}{270}$
$V=10800$
When resistance is $150$,
$I=\frac{10800}{150}$
$I=72$ amperes

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$72$ amperes

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