Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

MEDIUM

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An oscillating circuit consists of an inductor of $10 μH,$ a capacitor of $5 μF$ and a capacitor of $25 μF$ connected in parallel. The natural frequency of the circuit, in kilocycles/sec is closest to which one of the following?

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Important Questions on AC Circuits

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

Cotyledons are also called-

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

How oscillations are produced using inductor and capacitor?

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

\frac{20}{π^{2}} H

inductor is connected to a capacitor of capacitance

C

. The value of

C

in order to impart maximum power at

50 Hz

is

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

What is LC oscillation?

HARD

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

Show that the total energy of LC oscillations is conserved.

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

In an oscillating

L C

circuit, the maximum charge on the capacitor is

Q

. The charge on the capacitor when the energy is stored equally between the electric and magnetic fields is

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

What are the different properties of LC circuit?

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Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

How does LC oscillator circuit work ?

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Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

Is an oscillating LC circuit the maximum charge?

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

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

EASY

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

What is the working of LC oscillator?

HARD

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

Explain with the help of a labelled diagram the working of a transistor as an oscillator.

MEDIUM

Physics>Electricity and Magnetism>AC Circuits>LC Oscillations

At a particular angular frequency, the reactance of capacitor and that of inductor is same. If the angular frequency is doubled, the ratio of the reactance of the capacitor to that of the inductor will be