Question

zener diode can be used as

Answer 1

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.

Answer 2

$\underline \bold{Zener\: diode}$

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Zener diode is a type of diode which is it different from other diode in one function. It can reverse the flow of current when Zener voltage is reached whereas in other diode it only flows from anode to its cathode.

Zener diode is connected in reverse bias.

It was invented by Clarence Melvin Zener and then after named after his name to Zener diode.

Zener diode is widely used as a shunt (parallel resistance) regulator to regulate the voltage in the circuit so as the voltage connot burn the circuit.

It is used in various ways such as voltage shifter, voltage regulator and waveform clipper.

In diode there is a change of voltage between forward bias and backward bias as shown in diagram

Forward bias means right side of x axis on graph.

Backward bias means left side of x axis on graph.