
The sinusoidal output current by a rectifier is shown in figure. The current amplitude is . The average value of output current is:




Important Questions on Alternating Current
A series circuit is shown in the figure. If inductor is removed from the circuit then current leads the voltage by while if the capacitor is removed then the current lags the voltage by . The rms current in the original circuit is


The current in a certain circuit varies with time as shown. The peak value of current is . If and represent the virtual (rms) and mean value of current for a complete cycle respectively, then


For a series circuit given below, is the resonance frequency. Then and operating angular frequency, is half of the resonance frequency i.e. )


Which of the following is/are correct for alternating current circuit?

An alternating voltage , is applied to a series resonant circuit as shown. The correct statements are :
