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A resistor R = 4.0 omega, a capacitor C = 1 F and an inductor L...

A resistor R = 4.0 omega, a capacitor C = 1 F and an inductor L = 4 H are connected in series
Determine the charge on the capacitor and the current on the circuit at time t, if originally the capacitor is discharged and the current is 6A
In the following cases:
a) V = 0, classify the current and make the graph
b) V = 120, in this case make the graph of the charge Q (t) and the current I (t). What happens in both graphs when time tends to infinity? Explain
c) Now consider an alternating current source given by V (t) = 100 cos(t). Also determine the capacitor charge and current at time t

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