Ratio of impedence to capactive reactance has

Define capacitive reactance

In an LCR circuit, inductive reactance and capacitive reactance was found to be equal. The resistance was found to be 20Omega . The probable impedance of the combination is

A 15.0 mu F capacitor is connected to a 220 V, 50 Hz source. Find the capacitative reactance and the current (rms and peak) in the circuit. If the frequency is doubled. What happens to the capactive reactance and current ?

How will the inductive reactance and capacitive reactance change on doubling the frequency of AC ?

A 5 H inductor 80 Omega resistor and 3muF capacitor are connected in series with an AC source with variable frequency such that the value of current is maximum in the circuit . Calculate the value of inductive reactance capacitive reactance and total impedance . Also calculate the value of peak current if value of peak emf of source is 220 V.

A 200 Omega resistor is connected in series with a 5(mu)F capacitor. The voltage across the resistor is V_(R )=(1.20 V) cos (2500 rad s^(-1))t . (a) Derive an expression for the circuit current. (b) Determine the capactive reactance of the capacitor. (c ) derive an experssion for the voltage across the capacitor.

A series LR circuit is connected to an ac source of frequency omega and the inductive reactance is equal to 2R. A capacitance of capacitive reactance equal to R is added in series with L and R. The ratio of the new power factor to the old one is

A coil of inductive reactance 31 Omega has a resistance of 8 Omega . It is placed in series with a condenser of capacitative reactance 25 Omega . The combination is connected to an a.c. source of 110 volt. The power factor of the circuit is