# A circuit with a resistance of 9 Omega has a fuse melts at 6 A. Can a voltage of 48 V be applied to the circuit without blowing the fuse?

Jan 21, 2016

$V = R i$
$48 = 9 i$
so that $i = \frac{48}{9} = 5.3 A$ that is below the limit of your fuse ($6 A$).