Question

What is a zener diode ? How it is symbolically represented ? With the help of a circuit diagram, explain the use of zener diode as a voltage stabilizer.

Answer 1

zener diode

A Zener diode is a particular type of diode that, unlike a normal one, allows current to flow not only from its anode to its cathode, but also in the reverse direction, when the Zener voltage is reached. Zener diodes have a highly doped p-n junction.

Answer 2

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Explanation:

heavily doped semiconductor diode which is designed to operate in reverse direction is known as the Zener diode. In other words, the diode which is specially designed for optimising the breakdown region is known as the Zener diode. The symbolic representation of Zener diode is shown in the figure below.