A 13-V Battery Is Connected in Series with a Switch,resistor

Multiple Choice

A 13-V battery is connected in series with a switch,resistor and coil.If the circuit's time constant is 1.2 × 10−⁴ s and the final steady current after the switch is closed becomes 2.5 A,what is the value of the inductance?

A) 3.9E-3 H
B) 6.2E-4 H
C) 2.3E-1 H
D) 2.7E-3 H
E) 2.3E-5 H