In half wave rectification,if the input frequency is $60\,Hz$,then the output frequency would be $\dots\dots\dots\,Hz$.

The output current versus time curve of a rectifier is shown in the figure. The average value of output current in this case is

The maximum efficiency of a full-wave rectifier is .........$\%$

$A$ sinusoidal peak voltage of $15\ V$ is connected between the input terminals of the circuit shown in the figure. Assume the diodes are ideal. In the output waveform,

The input a.c. voltage of frequency $60 \,Hz$ is applied to a half-wave rectifier and also to a full-wave rectifier. The output frequency in the case of the half-wave rectifier and that in the case of the full-wave rectifier is respectively:

If in a $p-n$ junction,a sinusoidal input signal is applied at $A$ as shown,then the output voltage $V_0$ will be: