Consider the Circuit shown below. 30 V 120 ΚΩ WWW LOT MOIS 270 ΚΩ Ξ VC 47MF F Find Vc (t) for t>o if switch is thrown to position 1 at t=0. Assume that copacitor is initially unchanged. How long will it take for the voltage across the capacitor to reach 20V ? Find an expression for ic (t) if switch is moved to position 2 after being in position I for long time. a

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Consider the Circuit shown below.
30 V
www
120 ΚΩ
VC
vic
LOT MOIT
tosial
270 ΚΩ Ξ
47MF
d
Find Vc (t) for t>o if switch is thrown
to position 1 at t=0. Assume that copacitor is
initially uncharged.
How long will it take for the voltage across
the capacitor to reach 20V ?
Find an expression for ic (t) if switch
is moved to position 2 after being in
position I for
long time.
a
Transcribed Image Text:Consider the Circuit shown below. 30 V www 120 ΚΩ VC vic LOT MOIT tosial 270 ΚΩ Ξ 47MF d Find Vc (t) for t>o if switch is thrown to position 1 at t=0. Assume that copacitor is initially uncharged. How long will it take for the voltage across the capacitor to reach 20V ? Find an expression for ic (t) if switch is moved to position 2 after being in position I for long time. a
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