An electrical engineer designed an RL circuit similar to the one shown in the figure, with E = 6.00 V, L = 5.00 mH, and R = 8.00 0. R (a) What is the inductive time constant of the circuit (in ms)? 625 ms (b) Calculate the current in the circuit (in A) 250 us after the switch is closed. Apply the equation for the current as a function of time in an RL circuit, and use your time constant calculated in part (a). Be sure your time units are consistent. A (c) What is the value of the final steady-state current (in A)? Apply Ohm's law. A (d) After what time interval (in ms) does the current reach 80.0% of its maximum value? ms

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An electrical engineer designed an RL circuit similar to the one shown in the figure, with E = 6.00 V, L = 5.00 mH, and R = 8.00 0.
R
(a) What is the inductive time constant of the circuit (in ms)?
.625
ms
(b) Calculate the current in the circuit (in A) 250 µs after the switch is closed.
Apply the equation for the current as a function of time in an RL circuit, and use your time constant calculated in part (a). Be sure your time units are consistent. A
(c) What is the value of the final steady-state current (in A)?
Apply Ohm's law. A
(d) After what time interval (in ms) does the current reach 80.0% of its maximum value?
ms
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Transcribed Image Text:An electrical engineer designed an RL circuit similar to the one shown in the figure, with E = 6.00 V, L = 5.00 mH, and R = 8.00 0. R (a) What is the inductive time constant of the circuit (in ms)? .625 ms (b) Calculate the current in the circuit (in A) 250 µs after the switch is closed. Apply the equation for the current as a function of time in an RL circuit, and use your time constant calculated in part (a). Be sure your time units are consistent. A (c) What is the value of the final steady-state current (in A)? Apply Ohm's law. A (d) After what time interval (in ms) does the current reach 80.0% of its maximum value? ms Need Help? Read It
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