
An inductor 200 mH, a capacitor C and resistor are connected in series with 100 V, source.If the current and voltage are in phase with each other, calculate the capacitance of the circuit.

Important Questions on Transient Current and Alternating Current
What should be the frequency of alternating 200 V so as to pass a maximum current 0.9 A through an inductance of 1 H.

A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applied to a series LCR circuit in which , and The impedance of the circuit.

A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applied to a series LCR circuit in which R=3 Ω, L=25.48 mH and C=796 μF.
Calculate the phase-difference between the voltage across the source and the current,

A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applied to a series LCR circuit in which R=3 Ω, L=25.48 mH and
C=796 μF. Calculate the power dissipated in the circuit.

A sinusoidal voltage of peak value 283 V and freqnecy 50 Hz is applied to a series LCR circuit in which R=3 ΩR=3 Ω, L=25.48 mHL=25.48 mH and C=796 μF.
(d) the power factor.


In an ideal transformer, number of turns in the primary and secondary are and 1000 respectively. If the power input to the primary is 10 kW at 200 V, Calculate output voltage.

In an ideal transformer, number of turns in the primary and secondary are 200 and 1000 respectively. If the power input to the primary is 10 kW at 200 V, Calculate
(b) current in the primary ?
