Alternating Cur...

A circuit containing a 20 $$\Omega$$ resistor and 0.1$$\mu F$$ capacitor in series is connected to 230 V AC supply of angular frequency 100 rad $$s^{-1}$$. The impedance of the circuit is

An inductor of 30 mH is connected to a 220 V, 100 Hz ac source. The inductive reactance is then

In A.C circuit having only capacitor, the current _____

A series LCR circuit with R = 22 $$\Omega$$, L = 1.5 H and C = 40 $$\mu$$ F is connected to a variable frequency 220 V ac supply. When the frequency of the supply equals the natural frequency of the circuit, what is the average power transferred to the circuit in one complete cycle?

An LC circuit contains a 20 mH inductor and a 50 .$$\mu$$ F capacitor with an initial charge of 10 mC. The resistance of the circuit is.negligible. Let the instant at which the circuit which is closed be t = 0. At what time the energy stored is completely magnetic?

In the given circuit, initially $${ K }_{ 1 }$$ is closed and $${ K }_{ 2 }$$ is open. Then $${ K }_{ 1 }$$ is opened and $${ K }_{ 2 }$$ is closed. If $${ q }_{ 1 }^{ \prime  }$$ and $${ q }_{ 2 }^{ \prime  }$$ are charges on $${ C }_{ 1 }$$ and $${ C }_{ 2 }$$ and $${ V }_{ 1 }$$ and $${ V }_{ 1 }$$ are the voltage respectively, then

A sinusoidal voltage of peak value 293 V and frequency 50 Hz is applied to a series LCR circuit in which R = 6 $$\Omega$$, L = 25 mH and C = 750 $$\mu$$F. The impedance of the circuit is:

The resonant frequency of a series LCR circuit with L = 2.0H,C=32$$\mu$$F and R= 10 $$\Omega$$ is

A 0.2 $$\Omega$$ resistor and 15 $$\mu$$F capacitor are connected in series to a 220 V, 50 Hz ac source. The impedance of the circuit is

A series resonant LCR circuit has a quality factor (Q-factor) = 0.4. If R 2 k$$\Omega$$, C = 0.1 $$\mu$$F, then the value of Inductance is