In the half-wave rectifier circuit shown,which one of the following waveforms is true for $V_{CD}$,the output across $C$ and $D$?

In comparison to a half-wave rectifier,the full-wave rectifier gives lower

$A$ $p-n$ junction diode $(D)$ shown in the figure can act as a rectifier. An alternating current source $(V)$ is connected in the circuit. The current $(I)$ in the resistor $(R)$ can be shown by:

When $p$-type and $n$-type semiconductors are brought into contact,they form a $P-N$ junction which acts as a .........

$A$ full-wave rectifier circuit is operating from $50 \text{ Hz}$ mains. The fundamental frequency in the ripple output will be: (in $\text{ Hz}$)

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 $d.c.$ power output and $a.c.$ power input are respectively: