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Unformatted text preview: 1. Shown below is an RC circuit driven by an AC power source. Let the resistance be R = 120Ω, the capacitance be C = 3 . × 10 9 F and the voltage source have a PEAK voltage, V Peak = 10 V , at a frequency of f = 500 kHz . (a) Determine the magnitude of the total impedance of this circuit. (b) Determine the phase of the total impedance of this circuit. (c) Determine the peak current through this circuit. (d) Determine the RMS current through this circuit. (e) Determine the phase of the current through this circuit. (f) Determine the peak voltage on the resistor. (g) Determine the RMS voltage on the resistor. (h) Determine the phase of the resistor voltage. (i) Determine the peak voltage on the capacitor. (j) Determine the RMS voltage on the capacitor. (k) Determine the phase of the voltage on the capacitor. (l) If the voltage across the capacitor is used to power another circuit, would this system be considered a highpass or a lowpass filter? Explain. (m) If the voltage across the resistor is used to power another circuit, would this system be considered a highpass or a lowpass filter? Explain. (n) You become bored with this circuit and decide to change it into a radio tuner designed to tune in this same frequency of 500 kHz. What circuit element do you add to make the new circuit (specify the type of circuit element and the value). NOTE: Take the phase of the power supply to be zero ( φ V TOT = 0 ). 1 2. Shown below is an RL circuit driven by an AC power source. Let the resistance be R = 5 k Ω, the inductance be L = 3 mH and the voltage source have an RMS voltage, V RMS = 10 V , at a frequancy of f = 5 kHz . R L (a) Determine the magnitude of the total impedance of this circuit. (b) Determine the phase of the total impedance of this circuit. (c) Determine the peak current through this circuit. (d) Determine the RMS current through this circuit. (e) Determine the phase of the current through this circuit. (f) Determine the peak voltage on the resistor. (g) Determine the RMS voltage on the resistor. (h) Determine the phase of the resistor voltage. (i) Determine the peak voltage on the inductor. (j) Determine the RMS voltage on the inductor. (k) Determine the phase of the voltage on the inductor. (l) If the voltage across the inductor is used to power another circuit, would this system be considered a highpass or a lowpass filter? Explain. (m) If the voltage across the resistor is used to power another circuit, would this system be considered a highpass or a lowpass filter? Explain. (n) You become bored with this circuit and decide to change it into a radio tuner designed to tune in a frequency of 800 kHz. What circuit element do you add to make the new circuit (specify the type of circuit element and the value)....
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 Spring '04
 Rijssenbeek
 Physics, Capacitance, Resistance, Power, Alternating Current, power supply, peak voltage

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