Electronics - Capacitors - Discussion
Discussion Forum : Capacitors - General Questions (Q.No. 21)
21.
If a current of 40 mA flows through a series circuit consisting of a 0.4 
F capacitor and a resistor in series with a 4 kHz, 40 Vac source, what is the total circuit impedance?
F capacitor and a resistor in series with a 4 kHz, 40 Vac source, what is the total circuit impedance?10 
100
1 k
1 M
Discussion:
12 comments Page 2 of 2.
Ameya pagare said:
6 years ago
The value of XC is given by the passive HPF formula for Xc.
Xc=1/2*3.14*R*C.
Xc= 99.52 ohm.
Xc=1/2*3.14*R*C.
Xc= 99.52 ohm.
KIRAN V said:
5 years ago
Given: I = 40 m A; C = 0.4μF; f = 4 kHz; V = 40 Vac; ZT =?
Z = Vac /I.
Z = 40 / 40 m A = 1 * 10^3.
Z = 1 k Ω.
Z = Vac /I.
Z = 40 / 40 m A = 1 * 10^3.
Z = 1 k Ω.
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