A switch, a 220 Ω resistor, and a 60 mH inductor are in series across a 20 V battery. What is the current through the inductor two time constants after the switch is closed? - Study24x7
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Electrical Engineering
6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

A switch, a 220 Ω resistor, and a 60 mH inductor are in series across a 20 V battery. What is the current through the inductor two time constants after the switch is closed?

A

91 mA

B

78 mA

C

57 mA

D

400 mA

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