Impedance of an AC Circuit

When the frequency of AC is doubled, the impedance of an RC circuit is

When the frequency of AC is doubled, the impedance of an LCR, circuit is

the impedance Z in an AC circuit is given by

Write the mathematical form of impedance (Z) of an AC circuit .

Derive an expression for the impedance of an a.c. circuit consisting of an inductor and a resistor.

If the impedance of an L-C R circuit is 40 Omega , then the admitance of the circuit will be

What do you mean by the impedance of LCR -circuit

In an ac circuit, an inductor, a capacitor and a resistor are connected in series with X_(L) = R = X_(c) . Impedance of this circuit is :