- #1
hobbs125
- 108
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If a lc resonant tank circuit is disconnected from power how do you determine the length of time it will oscillate.
L=1 henry, 500 ohms
C=50pf
Fres=22,507 hz
L=1 henry, 500 ohms
C=50pf
Fres=22,507 hz
A lc tank circuit is a type of electric circuit that consists of an inductor (L) and a capacitor (C) connected in parallel. When power is applied, the capacitor charges up and stores energy. As the capacitor discharges, it transfers the energy to the inductor, which in turn creates a magnetic field. This cycle repeats, resulting in an oscillating current.
A lc tank circuit is commonly used in radio and television receivers, as well as in electronic oscillators. Its main purpose is to generate and maintain a stable oscillation at a specific frequency, which can be used for tuning or transmitting signals.
The duration of oscillation in a lc tank circuit depends on several factors, such as the values of the inductor and capacitor, as well as the resistance in the circuit. Generally, the oscillation will continue until all the energy stored in the circuit is dissipated through resistance, which could take a few milliseconds to several seconds.
Yes, the oscillation in a lc tank circuit can be controlled by adjusting the values of the inductor and capacitor. By changing the capacitance or inductance, the resonant frequency of the circuit can be altered, leading to a change in the oscillation period.
Apart from the values of the inductor and capacitor, the resistance in the circuit can also affect the oscillation in a lc tank circuit. Higher resistance can lead to a quicker dissipation of energy and result in a shorter oscillation period. Additionally, external factors such as temperature and interference can also impact the oscillation in a lc tank circuit.