The current through an AC circuit depends on the magnitude of the applied voltage and impedance of the circuit.

A sinusoidal voltage of peak value $283 \mathrm{V}$ and frequency $50 \mathrm{Hz}$ is applied to a series LCR circuit in which $\mathrm{R}=3 \mathrm{\Omega }, \mathrm{L}=25.48 \mathrm{mH}, \mathrm{and} \mathrm{C}=796 \mathrm{\mu F}$. Find the impedance of the circuit.

The phaser diagram of the alternating voltage across an unknown device $\mathrm{X}$ and current flowing through it are shown below.

Identify the device $\mathrm{X}$.

The phaser diagram of the alternating voltage across an unknown device $\mathrm{X}$ and current flowing through it are shown below.

Draw the graphical variation of current and voltage with $\mathrm{\omega t}$ through this device.

The phaser diagram of the alternating voltage across an unknown device $\mathrm{X}$ and current flowing through it are shown below.

Draw the phaser diagram which shows the relation among ${\mathrm{V}}_{\mathrm{R}}, {\mathrm{V}}_{\mathrm{L}}, {\mathrm{V}}_{\mathrm{C}}$ and $\mathrm{I}$ In a series L.C.R circuit.

A series L.C.R circuit connected to an $\mathrm{AC}$ Source is shown below:

Write an expression for impedance offered by this circuit.

A series LCR circuit connected to an ac source is shown below:

Under what condition this circuit is used for tuning radio?

A transformer is used to charge the alternating voltage to a high or low value. What is the principle of a transformer?

A transformer is used to charge the alternating voltage to a high or low value.

A power transmission line feeds input power of $230 \mathrm{V}$ to a step-down transformer with its primary windings having $4000$ turns. What should be the number of turns in the secondary in order to get output power at $230 \mathrm{V}$?

The current through an AC circuit depends on the magnitude of the applied voltage and impedance of the circuit.

Write any two factors on which the impedance of a series LCR circuit depends.