a DC voltage applied to LC circute

Good qwest. Resonant charge.

Bill

-- Ferme le Bush

An ideal DC source?? The capacitor charges.

The inductor will 'pump' more charge into the capacitor than would be expected by the applied voltage, so the voltage on the capacitor ends up higher than the applied voltage. In an 'ideal DC source', that would be the end of the story.

If it isn't an 'ideal DC source', then what happens next depends more on the 'real DC source' makeup.

daestrom

The abrupt jump from 0 volts to whatever the DC voltage is will cause the current in the circuit to oscillate at the series-resonant frequency of the L and C. The oscillations will be damped by resistances in the components and/or other circuit losses (wire resistance and DC source internal resistance) unless the DC is removed before the oscillations end.

Chuck

daestrom wrote: