Calculate the total reactance if two inductor of 10mH and 50 mH are connected in series with 10 kHz AC.

Calculate the total capacity when three capacitors connected in series and parallel.

Three capacitors whose capacitances are 5, 10 and 50 microfarads are connected in series across a 12 volt battery. Find the potential difference across each of them.

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.

Using a potentiometer, balance points are obtained at 60 cm and 10 cm with two cells connected in series first to support one another and then in opposition respectively. Find the ratio of the emfs of the cells.

Calculate the capacitive reactance if 40 mF is connected to a frequency generator of 50 Hz signal.

A resistor of 100Omega and a capacitor of 20/pi muF are connected in series to a 230V, 50Hz ac source. Calculate the current in the circuit. Also calculate the voltafge (rms) across the resistor and the capacitor.

A source of alternating emf of 220 V and 50 Hz is connected in series with a resistance of 200 Ω, an inductance of 100 mH and a capacitance of 30mF. Does the current lead or lag the voltage and by what angle?