A capacitance of `0.4 muF` is connected to an alternating e.m.f. of frequency 100 Hz. What is the capacitive reactance ?

In LCR circuit, inductance L = 2/pi H , capacitance C = 10/pi F and resistance 10 Omega are connected in series to A.C. source of frequency = 50 Hz. Find:-capacitive reactance

A 60 watt lamp is connected to an alternating e.m.f. of peak value 230 volt. Find the peak value of current flowing through the lamp.

In LCR circuit, inductance L = 2/pi H , capacitance C = 10/pi F and resistance 10 Omega are connected in series to A.C. source of frequency = 50 Hz. Find:-inductive reactance

Calculate the reactance of a 1muF capacitance in an a.c. circuit of frequency 50 Hz.

Find the reactance of a 0.8Hinductance call on an A.C. line of frequency 50 Hz.

A capacitor of 2 muF is connected to an AC source of emf e = 250 sin 100 pit . Write an equation for instantaneous current through the circuit and give reading of AC ammeter connected in the circuit.

Find the impedance of the circuit containing an inductance of 2 henry, a capacitance of 6 mu F and a resistance of 100 Omega connected in series with an a.c. source of frequency 50 Hz. By what angle will the current lead or lag the applied e.m.f. in the circuit ?

A capacitor is connected to a battery of 20 V,so that a charge of 100 mu C is obtained at the plates. The capacitance of the capacitor is

In a circuit L,Cand R are connected in series with an alternating voltage of frequency f the current leads the voltage by 45^@. The value of C is

Obtain an expression for impedance of resistor, pure inductor and capacitor connected in series across alternating e.m.f. State formula for phase difference.