Current in the circuit to reach half of its maximum value

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A 1.80 mH inductor is connected in series with a dc battery of negligible internal resistance, a 0.840 k-ohm resistor, and an open switch. 1.How long after the switch is closed will it take for the current in the circuit to reach half of its maximum value ? 2.How long after the switch is closed will it take for the energy stored in the inductor to reach half of its maximum value?

Reference no: EM13544763

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