$1.$ The voltage drop on two #$12$ stranded, uncoated THW conductors, $100$ ft$.$ long, connecting a

$1$ hp$,1$~ $115$V motor to a $115-$volt source, would be $\_\_$ volts.

$($a$)3\mathrm{.}4500($b$)5\mathrm{.}75($c$)6\mathrm{.}336($d$)6\mathrm{.}530$