A switch, a 220 ≈í¬© resistor, and a 60 mH inductor are in series – McqOptions

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1.	A switch, a 220 ≈í¬© 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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