7.31 The switch in the circuit seen in Fig. P7.31 has been in position x for a long time. At t=0, the switch moves instantaneously to position y. a) Find a so that the time constant for t > 0 is 40 ms. b) For the a found in (a), find v₁. Figure P7.31 5 mA 3.6 k 1=0 0.8 μF 20 ΚΩ www ats €35 ΚΩ

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Solve using a differential equation. No Thevenin. 

7.31 The switch in the circuit seen in Fig. P7.31 has been
in position x for a long time. At t = 0, the switch
moves instantaneously to position y.
a) Find a so that the time constant for t> 0 is
40 ms.
b) For the a found in (a), find v₁.
Figure P7.31
DOMA
X
5 mA 3.6 k
= 0
0.8 μF
20 ΚΩ
ww
avs
055 ΚΩ
Transcribed Image Text:7.31 The switch in the circuit seen in Fig. P7.31 has been in position x for a long time. At t = 0, the switch moves instantaneously to position y. a) Find a so that the time constant for t> 0 is 40 ms. b) For the a found in (a), find v₁. Figure P7.31 DOMA X 5 mA 3.6 k = 0 0.8 μF 20 ΚΩ ww avs 055 ΚΩ
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