(Solved): How long must a 0.58mm-diameter aluminum wire be to have a 0.54A current when connected to the ...

How long must a $0.58?\mathrm{mm}$-diameter aluminum wire be to have a $0.54\mathrm{A}$ current when connected to the terminals of a 1.5 $\mathrm{V}$ flashlight battery? Express your answer to two significant figures and include the appropriate units. Part B What is the current if the wire is half this length? Express your answer to two significant figures and include the appropriate units.