An alternating voltage of 220V,50Hz frequency is applied across a capacitor of capacitance 2μF. The impedence of the circuit is:
An inductance of 200πmH, a capacitance of 10−3πF and a resistance of 10 Ω are connected in series with an a.c. source 220 V, 50 Hz. The phase angle of the circuit for the current and voltage source is