A 120v dc battery having no appreciable internal resistance


A 12.0V dc battery having no appreciable internal resistance, a 146.5? resistor, an 10.6mH inductor, and an open switch are all connected in series.

a) After the switch is closed, what is the time constant for this circuit ?

b) After the switch is closed, what is the maximum current that flows through it ?

c) What is the current 74.0?s after the switch is closed ?

d) After the switch is closed, what is the maximum energy stored in the inductor?

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Physics: A 120v dc battery having no appreciable internal resistance
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