A switch, a 220 Ω resistor, and a 60 mH inductor are in series acros – McqOptions

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1.	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
Answer» C. 57 mA

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