Question: A 3 2 V battery, 7 0 . 0 resistor and a 4 . 4 mH inductor are all connected in series with an open

A 32V battery, 70.0 resistor and a 4.4mH inductor are all connected in series with an open switch. The switch is suddenly closed. Consider both the battery and the inductor as having negligible internal resistance.
a) How long after the switch is closed witll the current through the inductor reach half its maximum value?
b) How long after closing the switch will the energy stored in the inductor reach half its maximum value?

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