$(8$ points$)$: The conducting rod glides along conducting metal rails. Is there an induced current

in this circuit? If so$,$ what is its direction?

$($a$)$ yes, clockwise

$($b$)$ yes, counterclockwise

$($c$)$ no

$($d$)$ yes, clockwise if v $<$ B$,$ and counterclockwise if v $>$ B

$($e$)$ not enough information to determine