In a half-wave rectifier, an $AC$ input source of frequency $50 \,Hz$ is used. The fundamental frequency of the output is: (in $\,Hz$)

The output form of a full wave rectifier is

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

In a diode $AM$ detector,the output circuit has $R = 1 \ k\Omega$ and $C = 10 \ pF$. Can it detect a carrier signal of $100 \ kHz$?

The maximum efficiency of a full wave rectifier is .........

In half-wave rectification,what is the output frequency if the input frequency is $50 \;Hz$? What is the output frequency of a full-wave rectifier for the same input frequency?