A capacitor of 50µF, a resistor of 102 and an inductor L are in series with an ac source of frequency 50Hz. Calculate the value of L if phase angle between current and voltage is zero.

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

Calculate the phase difference between voltage and current at resonance in L-C-R circuit

The effective current in a 50 cycle ac circuit is 5 amp. Calculate the value of current 1/(300) second after it was zero.

A coil of self inductance 20mH is connected to an a.c source of 220v and of frequency 50Hz. What is the inductive reactance and r.m.s current in the circuit?

A capacitor and resistor are connected in series with an ac source. If the potential difference across C and R are 120 V and 90V respectively and if the rms current of the circuit is 3A, calculate (i) impedance and (ii) power factor of the circuit.

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.