30. Induction and Inductance
LR Circuits
5:36 minutes
Problem 30.21
Textbook Question
Textbook Question(II) It takes 2.85 ms for the current in an LR circuit to increase from zero to 0.75 its maximum value. Determine (a) the time constant of the circuit, (b) the resistance of the circuit if L = 31.0 mH.
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