Home
Class 12
PHYSICS
In an ideal parallel LC circuit, the cap...

In an ideal parallel LC circuit, the capacitor is charged by connecting it to a d.c source which is then disconnected. The current in the circuit

A

becomes zero instantaneously

B

grow monotonically decays monotonically

C

decays monotonically.

D

oscillates instantaneously.

Text Solution

Verified by Experts

The correct Answer is:
C

The current in the circuit decays monotonically
Promotional Banner

Similar Questions

Explore conceptually related problems

An an ideal parallel LC circuit, the capacitor is charged by connecting it to a DC source which is then disconnected. The current in the circuit

A capacitor of capacitance C is charged by connecting it to a battery of emf epsilon. The capacitor is now disconnected and reconnected to the battery with the polarity reversed. Calculate the heat developed in the connecting wires.

A charged capacitro and an inductor are connected in series. At time t = 0 , the current is zero but the capacitor is charged, If T is the period of resulting oscillations, then the time after which current in the circuit becomes maximum , is

(a) Deriver and expression for the average power consumed in a series LCR circuit connected to a.c., source in which the phase different between the voltage and the current in the circuit is phi . (b) Define the quality factor in an a.c. circuit. Why should the quality factor have high value in receiving circuits ? Name the factors on which it depends.

In an electric circuit, there is a capacitor of reactance 100 Omega connected across the source of 300 volt. The displacement current will be

Initially capacitor is uncharged at t = 0 switch is closed. Charge on capacitor when current in the circuit is 10 % of maximum current :

A voltage source V=V_(0) sin (100 t) is connected to a black box in which there can be either one element out of L,C,R or any two of them connected in series. At steady state, the variation of current in the circuit and the source voltage are plotted together with time.using an oscilloscope, as shown If AC source is removed, the circuit is shorted for some time so that capacitor is fully discharge and then a battery of constant EMF is connected across the black box, at t=0 .The current in the circuit will-

An ideal capacitor of capacitance 0.2muF is charged to a potential difference of 10V . The charging battery is than disconnected. The capacitor is then connected to an ideal inductor of self inductance 0.5mH . The current at a time when the potential difference across the capacitor is 5V is :

A parallel plate capacitor is charged and the charging battery is then disconnected. If the plates of the capacitor are moved farther apart by means of insulating handles:

After switch is closed in the LC circuit shown in the figure, the charge on the capacitor is sometimes zero, but at such instants the current in the circuit is not zero. How is this behaviour possible ?