Question: It takes 2.56 ms for the current in an LR circuit to increase from zero to 0.75 its maximum value. Determine (a) The time constant

It takes 2.56 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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