Switch 1 has been in position “a" and switch 2 has been closed for a long time. At t=0, switch 1 moves from position "a" to position “b" and switch 3 is closed. Then, 100 ms later switch 2 is opened.

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Switch 1 has been in position “a" and switch 2 has been closed for a long time.
At t=0, switch 1 moves from position "a" to position "" and switch 3 is closed. Then,
100 ms later switch 2 is opened.
t=100 ms
t=0 s
10KO
5ΚΩ
a
b 6KQ
5ΚΩ
t=0 s
2
3
+
20V
30ΚΩ
Vc + 20µF
30ΚΩ
60ΚΩ
100 V
a) Find vc(t) for 0<t<100 ms.
b) Find vc(t) for t>100 ms.
Transcribed Image Text:Switch 1 has been in position “a" and switch 2 has been closed for a long time. At t=0, switch 1 moves from position "a" to position "" and switch 3 is closed. Then, 100 ms later switch 2 is opened. t=100 ms t=0 s 10KO 5ΚΩ a b 6KQ 5ΚΩ t=0 s 2 3 + 20V 30ΚΩ Vc + 20µF 30ΚΩ 60ΚΩ 100 V a) Find vc(t) for 0<t<100 ms. b) Find vc(t) for t>100 ms.
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