A low pass RC filter using a 1kohm resistor is operating at 20HZ and shows a 3dB drop in power from its max power at 0 Hz. Find its capacitance to the hundredths place. Write only the numerical part of your answer in uF: uF. This RC filter is powered by a 100V AC source. At cutoff frequency what is the relationship to the resistance? a ) Xc = 0 b) Xc = R c) Xc = infinite Enter the letter of the correct answer : At the operating point where Xc = R, calculate the peak voltage to the tenths place across the capacitor using voltage division and assuming an AC source of 100 V. Volts Given a peak voltage of 70.7V across a 22 uF capacitor in an RC low pass filter, what is the peak current in the circuit at 20HZ operating frequency? Enter the numerical part of your answer rounded to the ones place in mA mA At the RC low pass filter cutoff frequency, the phase shift between current and voltage is always deg. (Be careful to include the appropriate sign.)

(a) Figure Q4(a) shows a resistive network. If current through AO is zero, calculate the value of 'R' and the current through 'R'. figQ4 (a) B 10. www 402 -11 M 10V 202 1.50 R no

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A tank circuit contains a capacitor and an inductor that produce 30 2 of reactance at the resonant frequency. The inductor has a Q of 15. The voltage of 277V is connected to the circuit. What is the total circuit current of the resonant frequency? Show your work. a) IT= 0.615 A b) IT= 0.423 A c) IT = 0.846 A d) IT= 0.321 A