Due to Diffusion and drift, the electrons and across the junctions, creating a final stage in which a region is created across the junction wall, Which gets devoid of the mobile charge carriers. This region is called depletion region; the potential difference across the region is called Barriers potential.
Working : If an alternation voltage is applied across a diode in series with a load, a pulsating voltage will appear across the load only during that help cycle of the ac input during which the diode is forward biased.
Therefore, in the positive half - cycle of ac input there is current through the load resistor RL, and we get an output voltage whereas half - cycle. ' There is no output during the negative half cycle. Thus, the output voltage is restricted to only one , direction and is said to be rectified
