The voltage source, Vs, in the RC circuit has been at 0 V for a long time and then goes to 1 V at t = 0 as shown. R = 1.2 kn and C= = 0.1 µF. + a. R www + Calculate the circuit's time constant in us. b. Find the expression that describes the capacitor voltage, C. What is the voltage on the capacitor when t-100 us? Voltage (V) 1.2 1 0.8 0.4 0.2 0 -0.1 0 Voltage Source, Vs 0.1 0.2 Time (ms) as a function of time, t. 0.3 0.4 0.5

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The voltage source, V, in the RC circuit has been at 0 V
for a long time and then goes to 1 V at t = 0 as shown.
R = 1.2 kn and C = 0.1 μF.
Vs
C.
+1
R
C
+
Vo
-
Voltage (V)
H
0.8
0.6
0.4
0.2
0
-0.1
0
Voltage Source, Vs
0.1
0.2
Time (ms)
a. Calculate the circuit's time constant in us.
b. Find the expression that describes the capacitor voltage, v, as a function of time, t.
What is the voltage on the capacitor when t-100 us?
0.3
0.4
0.5
Transcribed Image Text:The voltage source, V, in the RC circuit has been at 0 V for a long time and then goes to 1 V at t = 0 as shown. R = 1.2 kn and C = 0.1 μF. Vs C. +1 R C + Vo - Voltage (V) H 0.8 0.6 0.4 0.2 0 -0.1 0 Voltage Source, Vs 0.1 0.2 Time (ms) a. Calculate the circuit's time constant in us. b. Find the expression that describes the capacitor voltage, v, as a function of time, t. What is the voltage on the capacitor when t-100 us? 0.3 0.4 0.5
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In this question we need to find time constant, capacitor voltage expression as function of time and voltage across capacitor at t=100 microsec

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