what is zener diode and eg
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Zener diode is a special purpose p-n junction semiconductor diode. Zener invented this diode. Zener diode operates in the breakdown region in the reverse bias. Its main function is to regulate voltage. It allows a wide range of currents almost at the same voltage.
Zener diode is connected in reverse bias in a circuit, for regulating voltage. It is also called a shunt regulator. Zener is a control in many electronic circuits.
It is connected in reverse across the load (electrical appliance like refrigerator ). Its resistance is very high till the breakdown voltage is reached. Zener breaks down near the operating voltage of the appliance and does not allow any change in the voltage across the load. Near the zener breakdown voltage, its resistance is very low.
See the diagram for the characteristics.
Zener diode is connected in reverse bias in a circuit, for regulating voltage. It is also called a shunt regulator. Zener is a control in many electronic circuits.
It is connected in reverse across the load (electrical appliance like refrigerator ). Its resistance is very high till the breakdown voltage is reached. Zener breaks down near the operating voltage of the appliance and does not allow any change in the voltage across the load. Near the zener breakdown voltage, its resistance is very low.
See the diagram for the characteristics.
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