MEDIUM
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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

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Important Questions on AC Circuits

MEDIUM
Physics>Electricity and Magnetism>AC Circuits>LC Oscillations
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?
EASY
Physics>Electricity and Magnetism>AC Circuits>LC Oscillations
20π2 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
In an oscillating LC 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
How oscillations are produced using inductor and capacitor?
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
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.
EASY
Physics>Electricity and Magnetism>AC Circuits>LC Oscillations
What are the different properties of LC circuit?
EASY
Physics>Electricity and Magnetism>AC Circuits>LC Oscillations
How does LC oscillator circuit work ?
EASY
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.