- #1
dancingmonkey
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Homework Statement
The circuit parameters are: R = 60 Ohms, L = 5 mH, C = 40 microFarads, and e= 120 V. Initially the switch has been closed for a long time. At t=0 the switch is opened.
What is t1, the first time greater than or equal to 0, that the current through the inductor is equal to zero?
a)t1=0
b)t1=2.11 ms
c)t1=0.70 ms
Homework Equations
The Attempt at a Solution
I really have no idea how to go about this question. Can someone help please?