An inductor 20 mH, a capacitor 50 μF and a resistor 40 Ω are connected in series across a source of emf V=10sin340t. Calculate the power loss in A.C. circuit

An inductance of 2.0 H, a capacitor of 18 µF and a resistance 200Ω are connected in series in an ac source of peak voltage 20 V. (i) What frequency should be chosen such that current becomes maximum ? (ii) What isthe maximum current ?

A 25 µ F capacitor, a 0.1 henry inductor and a 25 Ω resistor are connected in series with an ac source with voltage. V = 310 sin 314t. (a) What is the frequency of the voltage ? (b) Calculate the reactance and impedance and (c) current in the circuit.