Answered: a) What is the reactance of a 20µF… | bartleby

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a) What is the reactance of a 20HF capacitor
at a frequency of 140 Hz? Enter the units as
"ohm" (lower case).
b) What is the reactance of the same
capacitor at a frequency of 6500 Hz?

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Capacitance and Impedance Capacitance is much more difficult to measure than resistance. This problem shows one crude way to get that measurement done. Consider a 15 Ω resistor in series with an unknown capacitor. You can use a function generator like those in the studio to make a 20 volt rms signal at 6100 Hz. If a multimeter shows the rms current through the circuit to be 1.259 A, what is the capacitance of your capacitor? I tried solving for the impedance and then plugging that equation into ohm's law, but I get an equation that says C does not have a real value.