Chapter 32241Q32.14When the capacitor is fully discharged, the current in the circuit is a maximum. The inductance ofthe coil is making the current continue to flow. At this time the magnetic field of the coil contains allthe energy that was originally stored in the charged capacitor. The current has just finisheddischarging the capacitor and is proceeding to charge it up again with the opposite polarity.Q32.15The oscillations would eventually decrease, but perhaps with very small damping. The originalpotential energy would be converted to internal energy within the wires. Such a situationconstitutes an RLCcircuit. Remember that a real battery generally contains an internal resistance.Q32.16If RLC>4, then the oscillator is overdamped—it will not oscillate. If RLC<4, then the oscillator isunderdamped and can go through several cycles of oscillation before the radiated signal falls belowbackground noise.
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .