(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I have a a circuit with an inductor, a resistor and a capacitor in series. I have analyzed the circuit and gotten an equation for the voltage across the capacitor to be.

2. Relevant equations

Vc(t) = 10 + (20/3)e^-5t - (50/3)e^-2t

3. The attempt at a solution

I assume its something to do with time constants but there isnt any that give me 80% is there? Also my electronics isnt that great so I don't know how to deal with the inductor.

Any help would be greatly appreciated.

Mark.

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Homework Help: How long does it take a Capacitor to charge to 80% of its final value?

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