PHYS 0175 - Worksheet Problem Set _11

# PHYS 0175 - Worksheet Problem Set _11 - d for a driven RLC...

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PHYS 0175 (Spring 2008) – Worksheet Problem Set #11 (Part A) Your Name: ___________________________________TA:_________________ Score: An oscillating LC circuit has a current amplitude I =1.50 A, a potential amplitude V=35.0 V, and a capacitance C=850 μF. (1) What is the maximum energy stored in the capacitor of this circuit? (2) What is the minimum energy stored in the capacitor of this circuit? (3) What is the maximum energy stored in the inductor of this circuit? (4) What is the minimum energy stored in the inductor of this circuit? (5) What is the total energy stored in this circuit? Does it change with time? (6) What is the inductance L of this circuit? (7) At what angular frequency does this LC circuit oscillate? My answers are:

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P HYS 0175 (Spring 2008) – Worksheet Problem Set #11 (Part B) Your Name: _______________________________________ Score: The graph below shows the current amplitude I versus the driving angular frequency ω
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Unformatted text preview: d for a driven RLC circuit. The vertical axis scale is set by I S =4.00 A, and the driving angular frequency is plotted in units of 1000 rad/sec. The inductance in the circuit is L=200 μH and the emf amplitude is E =8.00 V. (1) What is the resonance angular frequency ω R of this circuit? (2) What is the value of the capacitance C in this circuit? (3) What is the magnitude of the impedance of this circuit when ω d = ω R ? (4) What is the value of the resistance R in this circuit? (5) What is the magnitude of the impedance of this circuit when ω d = 10,000 rad/sec? At that frequency, will the circuit be mainly capacitive or mainly inductive? Explain your answer. (6) What is the magnitude of the impedance of this circuit when ω d = 40,000 rad/sec? At that frequency, will the circuit be mainly capacitive or mainly inductive? Explain your answer. My answers are:...
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