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 31.4Omega resistor and 0.1H inductor are connected in series to a 200V, 50Hz ac source. Calculate (i) the current in the circuit

A 60 mu F capacitor is connected to a 110 V, 60 Hz a.c. supply Determine the r.m.s value of current in the circuit.

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 100 mH inductor, a 20 muF capacitor and a 10 ohm resistor are connected in series to a 100 V, 50 Hz a.c. source. Calculate : (i) Inpendance of the circuit at resonance (ii) Current at resonance (iii) Resonant frequency.

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

A 0.21 H inductor and a 12 ohm resistance are connected in series to a 220 V . 50 Hz ac source. Calculate the current in the circuit and the phase angle between the current and the source voltage.