When a 2.5 micro farad capacitor is connected to a generator whose rms output is 120 V, the current in the circuit is observed to be 1.2 A. The capacitive reactance is O a. 250 ohm O b. 360 ohm O c. 300 ohm O d. 100 ohm

An RLC series circuit hag a 1.00 k(register, a 150 (H inductor, and a 25.0 nF capacitor. (a) Find the circuit’s impedance at 500 Hz. (b) Find the circuit’s impedance at 7.50 kHz. (c) It the voltage source has Vrms = 408 V, what is Irms at each frequency? (d) What is the resonant frequency of the circuit? (e) What is Irms at resonance?

A capacitor and a resistor are connected in series across an AC source as shown in Figure OQ33.3. After the switch is closed, which of the following statements is true? (a) The voltage across the capacitor lags the current by 90. (b) The voltage across (lie resistor is out of phase with the current. (c) The voltage across the capacitor leads the current by 90. (d) The current decreases as the frequency of the source is increased, but its peak voltage remains the same. (e) None of those statements is correct.

(a) What current flows when a 60.0 Hz, 480 V AC source is connected to a 0.250 (F capacitor? (b) What would the current be at 25.0 kHz?

An AC source operating at 60. Hz with a maximum voltage of 170 V is connected in series with a resistor (R = 1.2 k) and a capacitor (C = 2.5 F). (a) What is the maximum value of the current in the circuit? (b) What are the maximum values of the potential difference across the resistor and the capacitor? (c) When the current is zero, what are the magnitudes of the potential difference across the resistor, the capacitor, and the AC source? How much charge is on the capacitor at this instant? (d) When the current is at a maximum, what are the magnitudes of the potential differences across the resistor, the capacitor, and the AC source? How much charge is on the capacitor at this instant?

An RLC series circuit has a 2.50 (resistor, a 100 (H inductor, and an 80.0 (F capacitor. (a) Find the circuit's impedance at 120 Hz. (b) Find the circuit’s impedance at 5.00 kHz. (c) If the voltage source has Vrms = 5.60 V, what is Irms at each frequency? (d) What is the resonant frequency of the circuit? (e) What is Irms at resonance?

At 1000 Hz, the reactance of a 5.0-mH inductor is equal to the reactance of a particular capacitor. What is the capacitance of the capacitor?

A power plant generator produces 100 A at 15 kV (rms). A transformer is used to step up the transmission line voltage to 150 kV (rms). (a) What is rms current in the transmission line? (b) If the resistance per unit length of the line is 8.6108/m , what is the power loss per meter in the line? (c) What would the power loss per meter be If the line voltage were 15 kV (rms)?

The RC high-pass filter shown in Figure P33.53 has a resistance R = 0.500 and a capacitance C = 613 F. What is the ratio of the amplitude of the output voltage to that of the input voltage for this filter for a source frequency of 600 Hz?

Consider the Filter circuit shown in Figure P33.56. (a) Show that the ratio of the amplitude of the output voltage to that of the input voltage is to that of input voltage is VoutVin=1/CR2+(1C)2 (b) What value does this ratio approach as the frequency decreases toward zero? (c) What value does this ratio approach as the frequency increases without limit? (d) At what frequency is the ratio equal to one-half?