E Homework: HW 16 - Exponential and Question 30, 6.4.129 HW Score: 80.77%, 168 of 208 points Logarithmic Equations Part 1 of 3 Points: 0 of 24 Save The equation governing the amount of current I (in amperes) after time t (in seconds) in a simple RL circuit consisting of a resistance R (in ohms), an inductance L (in henrys), and an electromotive force E (in volts) is 1= 2 1- e - (R/L)] (a) If E = 15 volts, R = 11 ohms, and L = 9 henrys, how long does it take to obtain a current of 0.5 ampere? 1= seconds (Round to four decimal places as needed.)