Consider a 22.5 mH inductor that has a resistance of 4.1 Ω.  Part (a)  What is the time constant, τ, of the inductor, in seconds?   Part (b)  If the inductor is connected to a 12.0 V battery, what is the current, I, in amperes, after 10.5 ms?

University Physics Volume 2
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Chapter14: Inductance
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Consider a 22.5 mH inductor that has a resistance of 4.1 Ω.

 Part (a)  What is the time constant, τ, of the inductor, in seconds? 

 Part (b)  If the inductor is connected to a 12.0 V battery, what is the current, I, in amperes, after 10.5 ms? 

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