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A Series LR Circuit Includes a 9 Ω\Omega ,And an Inductor

Question 63

Multiple Choice

A series LR circuit includes a 9.0 V battery,a resistance of 0.20 Ω\Omega ,and an inductor.When the switch is closed,the circuit exhibits a time constant of 200 ms.What is the inductance of the circuit?


A) 42 mH
B) 15 mH
C) 32 mH
D) 40 mH
E) 22 mH

Correct Answer:

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