Answer
$i=51A$
Work Step by Step
The equation for electrical power is equal to $$P=iV$$ Solve the equation for current $i$. $$i=\frac{P}{V}$$ Substituting known values of $P=3.8kW=3800W$ and $V=75V$ yields a current of $$i=\frac{3800W}{75V}=51A$$