Assume you have a capacitor connected in series an AC source. (a) For what frequencies does a 19-μF capacitor have a reactance below 240 V? f > 18.2 Hz f > 11.4 Hz f > 34.9 Hz f > 29.1 Hz (b) What is the reactance of a 44-μF capacitor over this same frequency range Xc <146.1 Ω Xc < 103.6 Ω Xc < 54.9 Ω Xc < 91.7 Ω
Assume you have a capacitor connected in series an AC source. (a) For what frequencies does a 19-μF capacitor have a reactance below 240 V? f > 18.2 Hz f > 11.4 Hz f > 34.9 Hz f > 29.1 Hz (b) What is the reactance of a 44-μF capacitor over this same frequency range Xc <146.1 Ω Xc < 103.6 Ω Xc < 54.9 Ω Xc < 91.7 Ω
Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 50AP: A 700-pF capacitor is connected across an ac source with a voltage amplitude of 160 V and a...
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Assume you have a capacitor connected in series an AC source.
(a) For what frequencies does a 19-μF capacitor have a reactance below 240 V?
f > 18.2 Hz
f > 11.4 Hz
f > 34.9 Hz
f > 29.1 Hz
(b) What is the reactance of a 44-μF capacitor over this same frequency range
Xc <146.1 Ω
Xc < 103.6 Ω
Xc < 54.9 Ω
Xc < 91.7 Ω
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