Multiple Choice
A series LR circuit includes a 9.00 V battery,a 30.0 mH inductor,and a resistance of 5.00 .What is the time constant of this circuit? 
A) 115 s
B) 170 s
C) 4.20 ms
D) 6.00 ms
E) 8.30 ms
Correct Answer:

Verified
Correct Answer:
Verified
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