what is the impedance (in Ω) of a series combination of a 60 Ω resistor, a...

Question

Question

what is the impedance (in Ω) of a series combination of a 60 Ω resistor, a 3.0 μF capacitor, and a 6 μF capacitor at a freque

Answer 1

Answer #1

Equivalent capacitance

C = 3*6/(3+6) = 2 uF

Capacitive reactance Xc = 1/(2*pi*f*C) = 1/(2*3.14*4000*2*10^(-6)) = 19.9 ohm

Impedance = sqrt(R^2 + Xc^2) = sqrt(60^2 + 19.9^2) = 63.21 ohm

Answer 2

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