Multiple choice general knowledge science & technology

Which type of diode is formed by a junction between a layer of metal and a layer of semiconductor?

  1. Tunnel diode

  2. Varactor diode

  3. Schottky diode

  4. Zener diode
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C Correct answer
Explanation

A Schottky diode is formed by a metal-semiconductor junction, creating a Schottky barrier. This structure gives it unique properties like lower forward voltage drop and faster switching speeds compared to regular PN junction diodes.

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