A resistor of 50 ohm, an inductor of `(20//pi)` H and a capacitor of `(5//pi) mu F` are connected in series to an a.c. source 230 V, 50 Hz. Find the current in the circuit.

A resistance of 50Omega , an inductance of 20//pi henry and a capacitor of 5//pimuF are connected in series with an A.C. source of 230 volt and 50Hz. The impedance of circuit is –

A capacitor of capacitance 20muF is connected in series with 25Omega resistance to 240 V, 50 Hz AC. The maximum current in the circuit is

An a.c. source generating a voltage v=v+(m) sin omega t is connected to a capacitor of capacitor of capacitance C. Find the expression for the current, I, flowing through it. Plot a graph of v and I versus omega t to show that the current is pi//2 ahead of the voltage. A resistor of 200 Omega and a capacitor of 15.0 mu F are connected in series to a 220 V, 50 Hz a.c. source. Calculate the current in the circuit and the rms voltage across the resistor and the capacitor. Is the algebraic sum of these voltages more than the source voltages ? If yes, resolve the paradox.

A capacitor of unknown capacitance, a resistance of 100 ohm and an inductor of inductance L = 4//pi^(2) henry are connected in series across an a.c. source of 200 V, 50 Hz. Calculate the value of capactance and the current that flows in the circuit, when the current is in phase with the voltage.

A 40 ohm resistor, 3 mH inductor and 2 mu F capacitor are connected in series to a 110 V, 5000 Hz a.c. source. Calculate the value of current in the circuit.

A 0.21 H inductor and a 12 Omega resistance are connected in series to a 220 V, 50 Hz ac source. The current in the circuit is

A resistor of 200 Omega and a capacitor of 15.0(mu)F are connected in series to a 220V, 50Hz source. (a) Calculate the current in the circuit . (b) Calcutalte the voltage (rms) across the resistor and the inductor. Is the algebraic sum of these voltages more than the source voltage? If yes, resolve the paradox.

A resistor of resistance 400 ohm and a capacitor of reactance 200 ohm are connected in series ot a 200 V, 50 Hz source. If the current in the circuit is 0.49 A, find the voltage across the resistor and capacitor. What is the value of inductance required so that ane current are in phase ?