In the circuit shown in the figure below, let L = 5.80 H, R = 5.50 0, and & = 120 V. What is the self-induced emf 0.200 s after the switch is closed? R Need Help? Read It Watch It [-/0.43 Points] DETAILS SERPSE10 31.2.OP.011. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An electrical engineer designed an RL circuit similar to the one shown in the figure, with & = 6.00 V, L = 3.80 mH, and R = 6.80 0. (a) What is the inductive time constant of the circuit (in ms)? ms (b) Calculate the current in the circuit (in A) 250 us after the switch is closed. (c) What is the value of the final steady-state current (in A)? A (d) After what time interval (in ms) does the current reach 80.0% of its maximum value? ms Need Help? Read It [-/0.43 Points] DETAILS SERPSE10 31.2.OP.012. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An engineering student built the circuit shown in the figure. Assume the inductance is _ = 2.55 H, the resistance is R = 7.25 0, and the battery emf is & = 36.0 V. (a) Find - VR when the current is 2.00 A. AVR = 73 (b) Calculate the emf (in V) across the inductor when the current is 4.50 A. Need Help? Read It