If the maximum efficiency of a full wave rectifier is $x \%$ and that of a half wave rectifier is $y \%$,then the relation between $x$ and $y$ is

Describe the simple filter circuit for obtaining smooth rectified voltage from a junction diode rectifier.

Which of the following circuits represents a full-wave rectifier?

Constant $DC$ voltage is required from a variable $AC$ voltage. Which of the following is the correct order of operation?

For the given electric voltage signal,the $dc$ value is......$V$.

In a half-wave rectifier using a $PN$ junction diode,the input voltage has an amplitude of $25 \ V$ and a frequency of $50 \ Hz$. No filter is used,and the load resistance is $1000 \ \Omega$. The forward resistance of the diode is $10 \ \Omega$. The ripple factor is: