In Fig. Q1.1 the switch is closed for a very long time such nhat the circuit has reached steady state. At t=0 the switch is opened. a) Determine the capacitance C such that the time constant -50 us. b) What is the initial capacitor voltage v«(0+) c) What is the final capacitor voltage v.(x)? d) Find an expression for v(t) of the form ki + kzexp(-t/t), for t>0 + v,(1) switch opens at t-0 4 K2 3k2 18V ww

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In Fig. Q1.1 the switch is closed for a very long time such
that the circuit has reached steady state. At t=0 the switch is
opened.
a) Determine the capacitance C such that the time constant
T-50 us.
b) What is the initial capacitor voltage ve(0+)
c) What is the final capacitor voltage v.(0)?
d) Find an expression for v.(t) of the form
ki + kzexp(-t/t), for t>0
+ v,(1)
switch opens
at t-0
4 k2
3k2
3k2
18V
6k2
Figure O1.1
ww
Transcribed Image Text:In Fig. Q1.1 the switch is closed for a very long time such that the circuit has reached steady state. At t=0 the switch is opened. a) Determine the capacitance C such that the time constant T-50 us. b) What is the initial capacitor voltage ve(0+) c) What is the final capacitor voltage v.(0)? d) Find an expression for v.(t) of the form ki + kzexp(-t/t), for t>0 + v,(1) switch opens at t-0 4 k2 3k2 3k2 18V 6k2 Figure O1.1 ww
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