For a classroom demonstration, a professor built an RL circuit similar to the one shown in the figure, with E = 6.00 V, L = 4.80 mH, and R = 2.60 n. R (a) What is the inductive time constant of the circuit (in ms)? ms (b) Calculate the current in the circuit (in A) 250 µs after the switch is closed. A (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

For a classroom demonstration, a professor built an RL circuit similar to the one shown in the figure, with E = 6.00 V, L = 4.80 mH, and R = 2.60 n. R (a) What is the inductive time constant of the circuit (in ms)? ms (b) Calculate the current in the circuit (in A) 250 µs after the switch is closed. A (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

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter33: Inductors And Ac Circuits

Section: Chapter Questions

Problem 70PQ

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