By what type of charge carriers the current flows in zener and avalanche breakdown diodes
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Explanation:
Zener breakdown occurs because the reverse bias voltage causes an electric field which is strong enough to pull bound electrons from atoms in the depletion region. When an electron becomes unbound, it becomes a free charge carrier, and it also leaves behind a hole in the atom from which it is pulled off.
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Avalanche breakdown is a phenomenon that can occur in both insulating and semiconducting materials. It is a form of electric current multiplication that can allow very large currents within materials which are otherwise good insulators. It is a type of electron avalanche......
In electronics, the Zener effect is a type of electrical breakdown, discovered by Clarence Melvin Zener.
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