Which of the following diodes operates with a forward biased metal-semiconductor junction? 

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KVS TGT WET (Work Experience Teacher) 8 Jan 2017 Official Paper
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  1. Schottky diode
  2. Tunnel diode
  3. Gunn diode
  4. PIN diode

Answer (Detailed Solution Below)

Option 1 : Schottky diode
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Detailed Solution

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Schottky Diode:

It is a junction of n-type semiconductor and metal and electrons are sole carriers.

It doesn't have PN junction.

F4 Madhuri Engineering 18.01.2023 D12

The schottky diode is a semiconductor formed by the junction of a semiconductor with metal.

It has low forward voltage drop and zero recovery time due to which used as switching device.

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