(6 pts.] An LR circuit consists of a 1.5 kΩ resistance, 75 mH inductance, 6.0 volt…

(6 pts.] An LR circuit consists of a 1.5 kΩ resistance, 75 mH inductance, 6.0 volt battery, and a switch S. Switch S is closed at t 0, At what time will the current increase to two-thirds of its final value? 8