AE & JE EE Quiz Diode & Its Circuits

Varactor diode is used for

The Forward bias voltage in PN junction diode changes.

Which diode exhibits negative resistance characteristics?

Which of the following is not true for a zener diode?

Which among the following statements are true regarding “avalanche” and “zener” breakdown?

1) For avalanche breakdown, electron hole pairs are responsible but for Zener breakdown, only electrons are responsible.

2) The Avalanche breakdown voltage has positive temperature coefficient and Zener breakdown voltage has negative temperature coefficient.

3) Junction is completely destroyed in avalanche breakdown but not in Zener breakdown.

4) In avalanche breakdown, breakdown voltage is inversely proportional to temperature and in Zener breakdown, it is proportional to temperature.

A PN junction diode is a/an

Zener diode is a

A Schottky diode is: -