LC Oscillations

In an LC oscillating circuit with $L=75 \mathrm{mH}$ and $C=30 \mathrm{\mu F}$, the maximum charge of capacitor is $2.7\times {10}^{-4} \mathrm{C}$. Maximum current through the circuit will be

In the circuit shown in figure $S_1$ is open and, $S_2$ and $S_3$ are closed. The circuit is in steady state. At time $t=0$, switch $S_1$, is closed and $S_2$ and $S_3$ are opened simultaneously. $V=100 \mathrm{V}$, $R=10 \mathrm{\Omega }, C=100 \mathrm{\mu F}, L=0.03 \mathrm{H}$

Find the maximum charge that will appear on the capacitor at any time

A capacitor of capacitance $0.6 \mu \mathrm{F}$ is charged by a $6 \mathrm{V}$ battery. Charged capacitor is now connected to an inductor of inductance $2 \mathrm{mH}$. Then find the current in the circuit when one third energy stored in capacitor converts into the energy stored in inductor.

In L.C oscillation, maximum current in the inductor can be $I$. If at any instant, electric energy and magnetic energy associated with circuit is equal, then current in the inductor at that instant is

In an L-C oscillation maximum charge on capacitor can be $Q_0$. If at any instant electrical energy is $\frac{3}{4}$th of the magnetic energy then the charge on capacitor at that instant is

Two capacitors of capacitance $2\mathrm{C}$ and $C$ are given charges $8{\mathrm{Q}}_0$ and $Q_0$ respectively as shown in figure. If switch is closed what will be maximum current through inductor.

In an $L-C$ circuit shown in the figure, $C=1\mathrm{F}, L=4\mathrm{H}.$ At time $t=0,$ charge in the capacitor is $4 \mathrm{C}$ and it is decreasing at a rate of $\sqrt{5}\mathrm{C} {\mathrm{s}}^{-1}.$ Choose the correct statements.

In the circuit shown in figure, if both the bulbs $B_1$ and $B_2$ are identical, then

A radio receiver can tune over the frequency range $300\mathrm{kHz}$ to $1200\mathrm{kHz}$. If the tunable $L C$ circuit has a fixed inductor$L=200\mu H$, what must be the range over which the capacitor must be tuned? (You can use${\mathrm{\pi }}^2\approx 10$ )

We connect a charge capacitor to an inductor the electric current and charge on the capacitor in the circuit undergoes LC oscillations.

What is the working of LC oscillator?

An $\mathrm{LC}$ resonant circuit contains a $400 pF$ capacitor and an inductor of $400 \mu \mathrm{H}.$ It is coupled to an antenna. Wavelength of radiated electromagnetic wave is

What is LC oscillation?

The resonance frequency of $LC$ circuit is

A $60\mu \mathrm{F}$ capacitor is charged to $100 \mathrm{volts}$. This charged capacitor is connected across a $1.5\mathrm{mH}$ coil, so that $\mathrm{LC}$ oscillations occur. The maximum current in the coil is:-

In the $\mathrm{AC}$ network shown in figure, the $\mathrm{rms}$ current flowing through the inductor and capacitor are $0.6 \mathrm{A}$ and $0.8 \mathrm{A}$ respectively. Then the current coming out of the source is

A $60 \mathrm{\mu F}$ capacitor is charged to $100$ volts. This charged capacitor is connected across a $15 \mathrm{mH}$ coil, So that $\mathrm{LC}$ oscillations occur. Maximum current in the coil is :

A fully charged capacitor C with initial charge q₀ is connected to a coil of self inductances L at $\mathrm{t} = 0.$The time at which the energy is stored equally between the electric and the magnetic fields is :

In an $LC$ circuit shown in figure, $C=2 \mathrm{F}$ and $L=2 \mathrm{H}$. At time $t=0$, charge on the capacitor is $3$ coulomb and it is decreasing with rate of $\sqrt{4} \mathrm{C} {\mathrm{s}}^{-1}$. Then choose the correct statement.

Two capacitors of capacitance $C_1$ and $C_2$ are charged to a potential difference of $V_1$ and $V_2$ respectively and are connected to an inductor of inductance $L$ as shown in the figure. Initially key $k$ is open. Now key $k$ is closed and current in the circuit starts increasing. When current in the circuit is maximum