At the moment t $=0,$ a $20\mathrm{.}0$ V battery is connected to a $5\mathrm{.}00$ mH coil and a $6\mathrm{.}00$ resistor.

$($a$)$

Immediately thereafter, how does the potential difference across the resistor compare to the emf across the coil? $($Enter your answers in V$.)$