A coil with inductive reactance `X_(L) =30Omega` and impedance `Z = 50 Omega` is connected to the mains with effective voltage value `V = 100 V` Find the phase difference between the current and voltage as well as the heat power generated in the coil .

In an L-R circuit, an inductance of 0.1 H and a resistance of 1 Omega are connected in series with an ac source of voltage V = 5 sin 10 t. The phase difference between the current and applied voltage will be

In an L-R circuit, an inductance of 0.1 H and a resistance of 1 Omega are connected in series with an ac source of voltage V = 5 sin 10 t. The phase difference between the current and applied voltage will be

A series circuit consisting of a capacitor X_(C) =80 Omega and a coil with active resistance R =300 Omega and inductance X_(L) =40 omega is connected to a source of alternating voltage with amplitude V_(0) =200 V Find (a) the current amplitude in the circuit (b) the phase difference between the current and voltage (c) the amplitudes of voltage across the capacitor and the coli .

A coil of resistance 400 Omega and inductance 0.5 H is connected across an alternating voltage of frequency 100 Hz. Calculate the phase difference between voltage and current in the circuit.

In a series LCR circuit resistance R = 10Omega and the impedance Z = 10 Omega The phase difference between the current and the voltage is

In a series LCR circuit resistance R = 10Omega and the impedance Z = 10 Omega The phase difference between the current and the voltage is

A series circuit consisting of an inductance - free resistance R=0.16 k Omega and coil with active resistance is connected to the mains with effective voltabe V=220 V . Find the heat power generated in the coil if the effective voltage values across the resistance R and the coil are equal to V_(1)=80V and V_(2)=180V respectively.