The Figure Shows an LR Circuit with a Switch and a 240-Volt

The figure shows an LR circuit with a switch and a 240-volt battery.At the instant the switch is closed the current in the circuit and the potential difference between points a and b,V_ab,are

A) 0 A,0 V
B) 0 A,-240 V
C) 0 A,+240 V
D) 0.024 A,0 V
E) 0.024 A,+240 V