Give two application of RLC circuit ?

1. Bandpass filter: An RLC circuit can be used as a bandpass filter to allow only a specific range of frequencies to pass through while attenuating all other frequencies. This can be useful in applications such as radio communication, where only a certain frequency range needs to be transmitted or received.

2. Oscillators: RLC circuits can also be used to create oscillators, which are circuits that generate a periodic waveform. By carefully selecting the values of the resistor, inductor, and capacitor in the circuit, different types of oscillators such as LC oscillators, Colpitts oscillators, and Hartley oscillators can be created for various applications such as signal generation, clock generation, and frequency synthesis.

1. Radio Tuning: RLC circuits are used in radio receivers to select a specific frequency from the incoming radio waves. By adjusting the values of the components (R, L, and C), the circuit can be tuned to resonate at a specific frequency, allowing only that frequency to pass through.

2. Power Factor Correction: RLC circuits can be used to improve the power factor of an electrical system. Power factor is a measure of how efficiently electrical power is being used. A low power factor can result in increased energy consumption and higher electricity bills. By adding an RLC circuit in parallel with a load, the power factor can be improved, reducing energy consumption and costs.