What will be the phase difference between the current and e.m.f. when 220 volt, 50 Hz, a.c. source is connected to a circuit containing pure ohmic resistor ?

What is the phase difference between current and e.m.f. in a purely capacitive circuit?

What will be the phase difference between virtual voltage and virtual current, when the current in the circuit is wattless

The phase difference between the ac and emf is pi/2 . Which of the following cannot be the constituent of the circuit

Two sound waves travel at a speed of 330 m/s . If their frequencies are also identical and are equal to 540 Hz ,what will be the phase difference between the waves at points 3.5 m from one source and 3 m from the other if the sources are in phase ?

An a.c. series circuit has a source of maximum e.m.f. 220 V at a frequency of 50 Hz connected to a capacitor of 8pF, an inductor of 0.8 H and a non-inductive resistor of 50 Omega . What is the maximum current in the circuit?

A 220 V, 50 Hz as source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit.

A capacitor of 20 muF is connected in series with a 25 Omega resistance to peak e.m.f. 240 V, 50 Hz A.C. Calculate:-impedance of the circuit

A 15.0 muF capacitor is connected to a 220 V 50 Hz source. Find the capacitive reactance and the current (rms and peak) in the circuit. If the frequency is doubled, what will happen to the capacitive reactance and the current?