Question

102. What is the time constant (in microsecond) of the circuit
shown in the figure. Given: R1 = 1ohm, R2 = 2ohm, C1 =
2uF and C2 = 4uF.
(a)3 uF
(b)4 uF
(c)5 uF
(d)8 uF​

Answer 1

Answer:

time constant, t= capacitance×resistance

all are parallel connection, C = C1+ C2 = 6μF

R= R1 R2/R1+ R2 = 2/3 Ω

t= 6×2/3 = 4 is the answer

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