A PN junction diode can be used as a rectifier. Why ?

a p-n junction diode cannot be used

What is rectification? What is a rectifier? How does a p-n junction diode act as a rectifier?

With a neat circuit diagram, explain the use of two junction diodes as a full-wave rectifier. Draw the input and output voltage waveforms. What is the frequency of ripple in its output.

A zener diode is used as

Draw neat labelled circuit diagram using junction diodes as a full wave rectifier

A diode rectifier

What is avalanche breakdown for a P-N junction diode in reversed biased mode.

With the help of neat circuit diagram, Explain working of p-n junction diode as a half-wave rectifier

When P-N-P junction transistor is used as amplifier in C-B mode, then

How does width of depletion layer of p-n junction diode change with decrease in reverse bias ?